Home / 67,051.32-92,517.69-38,379.75

Finding the Fourth Proportional to 67,051.32, 92,517.69 and 38,379.75

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Solution

The fourth proportional to 67,051.32, 92,517.69 and 38,379.75 is: 52,956.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,051.32 : 92,517.69 = 38,379.75 : x
  2. Step 2: Convert to fraction form
    67,051.32/92,517.69 = 38,379.75/x
  3. Step 3: Cross multiply
    67,051.32x = 92,517.69 × 38,379.75
  4. Step 4: Simplify right side
    67,051.32x = 3,550,805,812.78
  5. Step 5: Solve for x
    x = 3,550,805,812.78/67,051.32
  6. Step 6: Final answer
    x = 52,956.54

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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.