Home / 68,061.60-102,092.40-38,537.10

Finding the Fourth Proportional to 68,061.60, 102,092.40 and 38,537.10

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Solution

The fourth proportional to 68,061.60, 102,092.40 and 38,537.10 is: 57,805.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,061.60 : 102,092.40 = 38,537.10 : x
  2. Step 2: Convert to fraction form
    68,061.60/102,092.40 = 38,537.10/x
  3. Step 3: Cross multiply
    68,061.60x = 102,092.40 × 38,537.10
  4. Step 4: Simplify right side
    68,061.60x = 3,934,345,028.04
  5. Step 5: Solve for x
    x = 3,934,345,028.04/68,061.60
  6. Step 6: Final answer
    x = 57,805.65

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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.