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Finding the Fourth Proportional to 88,617.80, 132,902.40 and 36,032.60

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Solution

The fourth proportional to 88,617.80, 132,902.40 and 36,032.60 is: 54,039.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,617.80 : 132,902.40 = 36,032.60 : x
  2. Step 2: Convert to fraction form
    88,617.80/132,902.40 = 36,032.60/x
  3. Step 3: Cross multiply
    88,617.80x = 132,902.40 × 36,032.60
  4. Step 4: Simplify right side
    88,617.80x = 4,788,819,018.24
  5. Step 5: Solve for x
    x = 4,788,819,018.24/88,617.80
  6. Step 6: Final answer
    x = 54,039.02

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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.