Home / 88,090.20-132,135.30-32,707.80

Finding the Fourth Proportional to 88,090.20, 132,135.30 and 32,707.80

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Solution

The fourth proportional to 88,090.20, 132,135.30 and 32,707.80 is: 49,061.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,090.20 : 132,135.30 = 32,707.80 : x
  2. Step 2: Convert to fraction form
    88,090.20/132,135.30 = 32,707.80/x
  3. Step 3: Cross multiply
    88,090.20x = 132,135.30 × 32,707.80
  4. Step 4: Simplify right side
    88,090.20x = 4,321,854,965.34
  5. Step 5: Solve for x
    x = 4,321,854,965.34/88,090.20
  6. Step 6: Final answer
    x = 49,061.70

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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.