Home / 68,502.31-102,657.17-51,624.14

Finding the Fourth Proportional to 68,502.31, 102,657.17 and 51,624.14

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Solution

The fourth proportional to 68,502.31, 102,657.17 and 51,624.14 is: 77,363.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,502.31 : 102,657.17 = 51,624.14 : x
  2. Step 2: Convert to fraction form
    68,502.31/102,657.17 = 51,624.14/x
  3. Step 3: Cross multiply
    68,502.31x = 102,657.17 × 51,624.14
  4. Step 4: Simplify right side
    68,502.31x = 5,299,587,731.86
  5. Step 5: Solve for x
    x = 5,299,587,731.86/68,502.31
  6. Step 6: Final answer
    x = 77,363.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.