Home / 87,618.24-131,490.72-35,042.40

Finding the Fourth Proportional to 87,618.24, 131,490.72 and 35,042.40

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Solution

The fourth proportional to 87,618.24, 131,490.72 and 35,042.40 is: 52,588.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,618.24 : 131,490.72 = 35,042.40 : x
  2. Step 2: Convert to fraction form
    87,618.24/131,490.72 = 35,042.40/x
  3. Step 3: Cross multiply
    87,618.24x = 131,490.72 × 35,042.40
  4. Step 4: Simplify right side
    87,618.24x = 4,607,750,406.53
  5. Step 5: Solve for x
    x = 4,607,750,406.53/87,618.24
  6. Step 6: Final answer
    x = 52,588.94

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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.