Home / 87,490.85-131,026.03-49,937.06

Finding the Fourth Proportional to 87,490.85, 131,026.03 and 49,937.06

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Solution

The fourth proportional to 87,490.85, 131,026.03 and 49,937.06 is: 74,785.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,490.85 : 131,026.03 = 49,937.06 : x
  2. Step 2: Convert to fraction form
    87,490.85/131,026.03 = 49,937.06/x
  3. Step 3: Cross multiply
    87,490.85x = 131,026.03 × 49,937.06
  4. Step 4: Simplify right side
    87,490.85x = 6,543,054,924.39
  5. Step 5: Solve for x
    x = 6,543,054,924.39/87,490.85
  6. Step 6: Final answer
    x = 74,785.60

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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.