Home / 68,403.68-102,605.45-38,028.17

Finding the Fourth Proportional to 68,403.68, 102,605.45 and 38,028.17

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Solution

The fourth proportional to 68,403.68, 102,605.45 and 38,028.17 is: 57,042.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,403.68 : 102,605.45 = 38,028.17 : x
  2. Step 2: Convert to fraction form
    68,403.68/102,605.45 = 38,028.17/x
  3. Step 3: Cross multiply
    68,403.68x = 102,605.45 × 38,028.17
  4. Step 4: Simplify right side
    68,403.68x = 3,901,897,561.90
  5. Step 5: Solve for x
    x = 3,901,897,561.90/68,403.68
  6. Step 6: Final answer
    x = 57,042.21

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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.