Home / 88,505.60-132,729.68-29,325.38

Finding the Fourth Proportional to 88,505.60, 132,729.68 and 29,325.38

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Solution

The fourth proportional to 88,505.60, 132,729.68 and 29,325.38 is: 43,978.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,505.60 : 132,729.68 = 29,325.38 : x
  2. Step 2: Convert to fraction form
    88,505.60/132,729.68 = 29,325.38/x
  3. Step 3: Cross multiply
    88,505.60x = 132,729.68 × 29,325.38
  4. Step 4: Simplify right side
    88,505.60x = 3,892,347,712.94
  5. Step 5: Solve for x
    x = 3,892,347,712.94/88,505.60
  6. Step 6: Final answer
    x = 43,978.55

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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.