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Finding the Fourth Proportional to 73,737.61, 101,766.56 and 41,911.30

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Solution

The fourth proportional to 73,737.61, 101,766.56 and 41,911.30 is: 57,842.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,737.61 : 101,766.56 = 41,911.30 : x
  2. Step 2: Convert to fraction form
    73,737.61/101,766.56 = 41,911.30/x
  3. Step 3: Cross multiply
    73,737.61x = 101,766.56 × 41,911.30
  4. Step 4: Simplify right side
    73,737.61x = 4,265,168,826.13
  5. Step 5: Solve for x
    x = 4,265,168,826.13/73,737.61
  6. Step 6: Final answer
    x = 57,842.52

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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.