Home / 87,375.40-131,037.74-34,055.50

Finding the Fourth Proportional to 87,375.40, 131,037.74 and 34,055.50

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Solution

The fourth proportional to 87,375.40, 131,037.74 and 34,055.50 is: 51,073.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,375.40 : 131,037.74 = 34,055.50 : x
  2. Step 2: Convert to fraction form
    87,375.40/131,037.74 = 34,055.50/x
  3. Step 3: Cross multiply
    87,375.40x = 131,037.74 × 34,055.50
  4. Step 4: Simplify right side
    87,375.40x = 4,462,555,754.57
  5. Step 5: Solve for x
    x = 4,462,555,754.57/87,375.40
  6. Step 6: Final answer
    x = 51,073.37

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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.