Home / 87,294.20-120,462.76-53,359.52

Finding the Fourth Proportional to 87,294.20, 120,462.76 and 53,359.52

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Solution

The fourth proportional to 87,294.20, 120,462.76 and 53,359.52 is: 73,634.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,294.20 : 120,462.76 = 53,359.52 : x
  2. Step 2: Convert to fraction form
    87,294.20/120,462.76 = 53,359.52/x
  3. Step 3: Cross multiply
    87,294.20x = 120,462.76 × 53,359.52
  4. Step 4: Simplify right side
    87,294.20x = 6,427,835,051.48
  5. Step 5: Solve for x
    x = 6,427,835,051.48/87,294.20
  6. Step 6: Final answer
    x = 73,634.16

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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.