Home / 67,073.25-92,561.09-38,780.76

Finding the Fourth Proportional to 67,073.25, 92,561.09 and 38,780.76

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Solution

The fourth proportional to 67,073.25, 92,561.09 and 38,780.76 is: 53,517.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,073.25 : 92,561.09 = 38,780.76 : x
  2. Step 2: Convert to fraction form
    67,073.25/92,561.09 = 38,780.76/x
  3. Step 3: Cross multiply
    67,073.25x = 92,561.09 × 38,780.76
  4. Step 4: Simplify right side
    67,073.25x = 3,589,589,222.72
  5. Step 5: Solve for x
    x = 3,589,589,222.72/67,073.25
  6. Step 6: Final answer
    x = 53,517.45

Related Problems

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Half scale
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Double scale
Find fourth proportional to 67,074.25, 92,562.47 and 38,781.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.