Home / 88,543.56-132,503.40-55,279.20

Finding the Fourth Proportional to 88,543.56, 132,503.40 and 55,279.20

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Solution

The fourth proportional to 88,543.56, 132,503.40 and 55,279.20 is: 82,724.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,543.56 : 132,503.40 = 55,279.20 : x
  2. Step 2: Convert to fraction form
    88,543.56/132,503.40 = 55,279.20/x
  3. Step 3: Cross multiply
    88,543.56x = 132,503.40 × 55,279.20
  4. Step 4: Simplify right side
    88,543.56x = 7,324,681,949.28
  5. Step 5: Solve for x
    x = 7,324,681,949.28/88,543.56
  6. Step 6: Final answer
    x = 82,724.05

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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.