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Finding the Fourth Proportional to 88,335.36, 132,503.04 and 60,549.12

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Solution

The fourth proportional to 88,335.36, 132,503.04 and 60,549.12 is: 90,823.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,335.36 : 132,503.04 = 60,549.12 : x
  2. Step 2: Convert to fraction form
    88,335.36/132,503.04 = 60,549.12/x
  3. Step 3: Cross multiply
    88,335.36x = 132,503.04 × 60,549.12
  4. Step 4: Simplify right side
    88,335.36x = 8,022,942,469.32
  5. Step 5: Solve for x
    x = 8,022,942,469.32/88,335.36
  6. Step 6: Final answer
    x = 90,823.68

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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.