Home / 87,377.32-120,590.94-49,657.24

Finding the Fourth Proportional to 87,377.32, 120,590.94 and 49,657.24

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Solution

The fourth proportional to 87,377.32, 120,590.94 and 49,657.24 is: 68,532.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,377.32 : 120,590.94 = 49,657.24 : x
  2. Step 2: Convert to fraction form
    87,377.32/120,590.94 = 49,657.24/x
  3. Step 3: Cross multiply
    87,377.32x = 120,590.94 × 49,657.24
  4. Step 4: Simplify right side
    87,377.32x = 5,988,213,249.41
  5. Step 5: Solve for x
    x = 5,988,213,249.41/87,377.32
  6. Step 6: Final answer
    x = 68,532.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.