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Finding the Fourth Proportional to 73,849.92, 110,774.88 and 58,505.28

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Solution

The fourth proportional to 73,849.92, 110,774.88 and 58,505.28 is: 87,757.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,849.92 : 110,774.88 = 58,505.28 : x
  2. Step 2: Convert to fraction form
    73,849.92/110,774.88 = 58,505.28/x
  3. Step 3: Cross multiply
    73,849.92x = 110,774.88 × 58,505.28
  4. Step 4: Simplify right side
    73,849.92x = 6,480,915,371.37
  5. Step 5: Solve for x
    x = 6,480,915,371.37/73,849.92
  6. Step 6: Final answer
    x = 87,757.92

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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.