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Finding the Fourth Proportional to 88,081.60, 132,208.80 and 43,758.40

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Solution

The fourth proportional to 88,081.60, 132,208.80 and 43,758.40 is: 65,680.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,081.60 : 132,208.80 = 43,758.40 : x
  2. Step 2: Convert to fraction form
    88,081.60/132,208.80 = 43,758.40/x
  3. Step 3: Cross multiply
    88,081.60x = 132,208.80 × 43,758.40
  4. Step 4: Simplify right side
    88,081.60x = 5,785,245,553.92
  5. Step 5: Solve for x
    x = 5,785,245,553.92/88,081.60
  6. Step 6: Final answer
    x = 65,680.52

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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.