Home / 87,187.24-130,912.04-49,789.52

Finding the Fourth Proportional to 87,187.24, 130,912.04 and 49,789.52

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Solution

The fourth proportional to 87,187.24, 130,912.04 and 49,789.52 is: 74,759.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,187.24 : 130,912.04 = 49,789.52 : x
  2. Step 2: Convert to fraction form
    87,187.24/130,912.04 = 49,789.52/x
  3. Step 3: Cross multiply
    87,187.24x = 130,912.04 × 49,789.52
  4. Step 4: Simplify right side
    87,187.24x = 6,518,047,633.82
  5. Step 5: Solve for x
    x = 6,518,047,633.82/87,187.24
  6. Step 6: Final answer
    x = 74,759.19

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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.