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Finding the Fourth Proportional to 88,335.60, 132,503.20 and 35,782

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Solution

The fourth proportional to 88,335.60, 132,503.20 and 35,782 is: 53,672.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,335.60 : 132,503.20 = 35,782 : x
  2. Step 2: Convert to fraction form
    88,335.60/132,503.20 = 35,782/x
  3. Step 3: Cross multiply
    88,335.60x = 132,503.20 × 35,782
  4. Step 4: Simplify right side
    88,335.60x = 4,741,229,502.40
  5. Step 5: Solve for x
    x = 4,741,229,502.40/88,335.60
  6. Step 6: Final answer
    x = 53,672.92

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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.