Home / 104,042.88-156,063.24-54,097.20

Finding the Fourth Proportional to 104,042.88, 156,063.24 and 54,097.20

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Solution

The fourth proportional to 104,042.88, 156,063.24 and 54,097.20 is: 81,145.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,042.88 : 156,063.24 = 54,097.20 : x
  2. Step 2: Convert to fraction form
    104,042.88/156,063.24 = 54,097.20/x
  3. Step 3: Cross multiply
    104,042.88x = 156,063.24 × 54,097.20
  4. Step 4: Simplify right side
    104,042.88x = 8,442,584,306.93
  5. Step 5: Solve for x
    x = 8,442,584,306.93/104,042.88
  6. Step 6: Final answer
    x = 81,145.24

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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.