Home / 84,872.22-127,306.17-40,530.30

Finding the Fourth Proportional to 84,872.22, 127,306.17 and 40,530.30

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Solution

The fourth proportional to 84,872.22, 127,306.17 and 40,530.30 is: 60,794.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,872.22 : 127,306.17 = 40,530.30 : x
  2. Step 2: Convert to fraction form
    84,872.22/127,306.17 = 40,530.30/x
  3. Step 3: Cross multiply
    84,872.22x = 127,306.17 × 40,530.30
  4. Step 4: Simplify right side
    84,872.22x = 5,159,757,261.95
  5. Step 5: Solve for x
    x = 5,159,757,261.95/84,872.22
  6. Step 6: Final answer
    x = 60,794.42

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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.