Home / 87,429.76-131,175.36-37,507.84

Finding the Fourth Proportional to 87,429.76, 131,175.36 and 37,507.84

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Solution

The fourth proportional to 87,429.76, 131,175.36 and 37,507.84 is: 56,274.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,429.76 : 131,175.36 = 37,507.84 : x
  2. Step 2: Convert to fraction form
    87,429.76/131,175.36 = 37,507.84/x
  3. Step 3: Cross multiply
    87,429.76x = 131,175.36 × 37,507.84
  4. Step 4: Simplify right side
    87,429.76x = 4,920,104,414.82
  5. Step 5: Solve for x
    x = 4,920,104,414.82/87,429.76
  6. Step 6: Final answer
    x = 56,274.94

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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.