Home / 74,229.27-102,376.89-65,257.71

Finding the Fourth Proportional to 74,229.27, 102,376.89 and 65,257.71

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Solution

The fourth proportional to 74,229.27, 102,376.89 and 65,257.71 is: 90,003.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,229.27 : 102,376.89 = 65,257.71 : x
  2. Step 2: Convert to fraction form
    74,229.27/102,376.89 = 65,257.71/x
  3. Step 3: Cross multiply
    74,229.27x = 102,376.89 × 65,257.71
  4. Step 4: Simplify right side
    74,229.27x = 6,680,881,398.32
  5. Step 5: Solve for x
    x = 6,680,881,398.32/74,229.27
  6. Step 6: Final answer
    x = 90,003.33

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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.