Home / 67,113.48-92,619.18-38,437.68

Finding the Fourth Proportional to 67,113.48, 92,619.18 and 38,437.68

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Solution

The fourth proportional to 67,113.48, 92,619.18 and 38,437.68 is: 53,045.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,113.48 : 92,619.18 = 38,437.68 : x
  2. Step 2: Convert to fraction form
    67,113.48/92,619.18 = 38,437.68/x
  3. Step 3: Cross multiply
    67,113.48x = 92,619.18 × 38,437.68
  4. Step 4: Simplify right side
    67,113.48x = 3,560,066,402.70
  5. Step 5: Solve for x
    x = 3,560,066,402.70/67,113.48
  6. Step 6: Final answer
    x = 53,045.47

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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.