Home / 68,985.38-103,939.04-62,329.61

Finding the Fourth Proportional to 68,985.38, 103,939.04 and 62,329.61

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Solution

The fourth proportional to 68,985.38, 103,939.04 and 62,329.61 is: 93,910.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,985.38 : 103,939.04 = 62,329.61 : x
  2. Step 2: Convert to fraction form
    68,985.38/103,939.04 = 62,329.61/x
  3. Step 3: Cross multiply
    68,985.38x = 103,939.04 × 62,329.61
  4. Step 4: Simplify right side
    68,985.38x = 6,478,478,995.63
  5. Step 5: Solve for x
    x = 6,478,478,995.63/68,985.38
  6. Step 6: Final answer
    x = 93,910.90

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.