Home / 96,308.20-132,902.11-53,287.78

Finding the Fourth Proportional to 96,308.20, 132,902.11 and 53,287.78

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Solution

The fourth proportional to 96,308.20, 132,902.11 and 53,287.78 is: 73,535.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,308.20 : 132,902.11 = 53,287.78 : x
  2. Step 2: Convert to fraction form
    96,308.20/132,902.11 = 53,287.78/x
  3. Step 3: Cross multiply
    96,308.20x = 132,902.11 × 53,287.78
  4. Step 4: Simplify right side
    96,308.20x = 7,082,058,228.49
  5. Step 5: Solve for x
    x = 7,082,058,228.49/96,308.20
  6. Step 6: Final answer
    x = 73,535.36

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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.