Home / 87,002.20-130,521.30-49,580.20

Finding the Fourth Proportional to 87,002.20, 130,521.30 and 49,580.20

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Solution

The fourth proportional to 87,002.20, 130,521.30 and 49,580.20 is: 74,380.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,002.20 : 130,521.30 = 49,580.20 : x
  2. Step 2: Convert to fraction form
    87,002.20/130,521.30 = 49,580.20/x
  3. Step 3: Cross multiply
    87,002.20x = 130,521.30 × 49,580.20
  4. Step 4: Simplify right side
    87,002.20x = 6,471,272,158.26
  5. Step 5: Solve for x
    x = 6,471,272,158.26/87,002.20
  6. Step 6: Final answer
    x = 74,380.56

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.