Home / 84,747.52-127,021.12-34,796.80

Finding the Fourth Proportional to 84,747.52, 127,021.12 and 34,796.80

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Solution

The fourth proportional to 84,747.52, 127,021.12 and 34,796.80 is: 52,154.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,747.52 : 127,021.12 = 34,796.80 : x
  2. Step 2: Convert to fraction form
    84,747.52/127,021.12 = 34,796.80/x
  3. Step 3: Cross multiply
    84,747.52x = 127,021.12 × 34,796.80
  4. Step 4: Simplify right side
    84,747.52x = 4,419,928,508.42
  5. Step 5: Solve for x
    x = 4,419,928,508.42/84,747.52
  6. Step 6: Final answer
    x = 52,154.07

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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.