Home / 68,437.98-102,572.19-38,765.86

Finding the Fourth Proportional to 68,437.98, 102,572.19 and 38,765.86

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Solution

The fourth proportional to 68,437.98, 102,572.19 and 38,765.86 is: 58,100.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,437.98 : 102,572.19 = 38,765.86 : x
  2. Step 2: Convert to fraction form
    68,437.98/102,572.19 = 38,765.86/x
  3. Step 3: Cross multiply
    68,437.98x = 102,572.19 × 38,765.86
  4. Step 4: Simplify right side
    68,437.98x = 3,976,298,901.00
  5. Step 5: Solve for x
    x = 3,976,298,901.00/68,437.98
  6. Step 6: Final answer
    x = 58,100.76

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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.