Home / 88,381.20-132,793.24-83,066.80

Finding the Fourth Proportional to 88,381.20, 132,793.24 and 83,066.80

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Solution

The fourth proportional to 88,381.20, 132,793.24 and 83,066.80 is: 124,808.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,381.20 : 132,793.24 = 83,066.80 : x
  2. Step 2: Convert to fraction form
    88,381.20/132,793.24 = 83,066.80/x
  3. Step 3: Cross multiply
    88,381.20x = 132,793.24 × 83,066.80
  4. Step 4: Simplify right side
    88,381.20x = 11,030,709,508.43
  5. Step 5: Solve for x
    x = 11,030,709,508.43/88,381.20
  6. Step 6: Final answer
    x = 124,808.32

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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.