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Finding the Fourth Proportional to 88,698.92, 133,227.44 and 53,227.60

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Solution

The fourth proportional to 88,698.92, 133,227.44 and 53,227.60 is: 79,948.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,698.92 : 133,227.44 = 53,227.60 : x
  2. Step 2: Convert to fraction form
    88,698.92/133,227.44 = 53,227.60/x
  3. Step 3: Cross multiply
    88,698.92x = 133,227.44 × 53,227.60
  4. Step 4: Simplify right side
    88,698.92x = 7,091,376,485.74
  5. Step 5: Solve for x
    x = 7,091,376,485.74/88,698.92
  6. Step 6: Final answer
    x = 79,948.85

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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.