Home / 88,279.80-132,423.78-29,120.64

Finding the Fourth Proportional to 88,279.80, 132,423.78 and 29,120.64

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Solution

The fourth proportional to 88,279.80, 132,423.78 and 29,120.64 is: 43,682.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,279.80 : 132,423.78 = 29,120.64 : x
  2. Step 2: Convert to fraction form
    88,279.80/132,423.78 = 29,120.64/x
  3. Step 3: Cross multiply
    88,279.80x = 132,423.78 × 29,120.64
  4. Step 4: Simplify right side
    88,279.80x = 3,856,265,224.82
  5. Step 5: Solve for x
    x = 3,856,265,224.82/88,279.80
  6. Step 6: Final answer
    x = 43,682.31

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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.