Home / 87,866.12-131,818.54-25,541.48

Finding the Fourth Proportional to 87,866.12, 131,818.54 and 25,541.48

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Solution

The fourth proportional to 87,866.12, 131,818.54 and 25,541.48 is: 38,317.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,866.12 : 131,818.54 = 25,541.48 : x
  2. Step 2: Convert to fraction form
    87,866.12/131,818.54 = 25,541.48/x
  3. Step 3: Cross multiply
    87,866.12x = 131,818.54 × 25,541.48
  4. Step 4: Simplify right side
    87,866.12x = 3,366,840,603.04
  5. Step 5: Solve for x
    x = 3,366,840,603.04/87,866.12
  6. Step 6: Final answer
    x = 38,317.85

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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.