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Finding the Fourth Proportional to 97,355.52, 134,350.92 and 54,914.04

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Solution

The fourth proportional to 97,355.52, 134,350.92 and 54,914.04 is: 75,781.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,355.52 : 134,350.92 = 54,914.04 : x
  2. Step 2: Convert to fraction form
    97,355.52/134,350.92 = 54,914.04/x
  3. Step 3: Cross multiply
    97,355.52x = 134,350.92 × 54,914.04
  4. Step 4: Simplify right side
    97,355.52x = 7,377,751,794.92
  5. Step 5: Solve for x
    x = 7,377,751,794.92/97,355.52
  6. Step 6: Final answer
    x = 75,781.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.