Home / 80,801.43-121,202.13-25,397.43

Finding the Fourth Proportional to 80,801.43, 121,202.13 and 25,397.43

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Solution

The fourth proportional to 80,801.43, 121,202.13 and 25,397.43 is: 38,096.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,801.43 : 121,202.13 = 25,397.43 : x
  2. Step 2: Convert to fraction form
    80,801.43/121,202.13 = 25,397.43/x
  3. Step 3: Cross multiply
    80,801.43x = 121,202.13 × 25,397.43
  4. Step 4: Simplify right side
    80,801.43x = 3,078,222,612.53
  5. Step 5: Solve for x
    x = 3,078,222,612.53/80,801.43
  6. Step 6: Final answer
    x = 38,096.14

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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.