Home / 113,743.52-156,621.84-89,793.44

Finding the Fourth Proportional to 113,743.52, 156,621.84 and 89,793.44

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Solution

The fourth proportional to 113,743.52, 156,621.84 and 89,793.44 is: 123,643.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,743.52 : 156,621.84 = 89,793.44 : x
  2. Step 2: Convert to fraction form
    113,743.52/156,621.84 = 89,793.44/x
  3. Step 3: Cross multiply
    113,743.52x = 156,621.84 × 89,793.44
  4. Step 4: Simplify right side
    113,743.52x = 14,063,613,792.73
  5. Step 5: Solve for x
    x = 14,063,613,792.73/113,743.52
  6. Step 6: Final answer
    x = 123,643.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.