Home / 88,034.20-132,002.70-38,105.80

Finding the Fourth Proportional to 88,034.20, 132,002.70 and 38,105.80

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Solution

The fourth proportional to 88,034.20, 132,002.70 and 38,105.80 is: 57,137.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,034.20 : 132,002.70 = 38,105.80 : x
  2. Step 2: Convert to fraction form
    88,034.20/132,002.70 = 38,105.80/x
  3. Step 3: Cross multiply
    88,034.20x = 132,002.70 × 38,105.80
  4. Step 4: Simplify right side
    88,034.20x = 5,030,068,485.66
  5. Step 5: Solve for x
    x = 5,030,068,485.66/88,034.20
  6. Step 6: Final answer
    x = 57,137.66

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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.