Home / 87,406.52-131,090.81-31,250.51

Finding the Fourth Proportional to 87,406.52, 131,090.81 and 31,250.51

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Solution

The fourth proportional to 87,406.52, 131,090.81 and 31,250.51 is: 46,868.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,406.52 : 131,090.81 = 31,250.51 : x
  2. Step 2: Convert to fraction form
    87,406.52/131,090.81 = 31,250.51/x
  3. Step 3: Cross multiply
    87,406.52x = 131,090.81 × 31,250.51
  4. Step 4: Simplify right side
    87,406.52x = 4,096,654,348.70
  5. Step 5: Solve for x
    x = 4,096,654,348.70/87,406.52
  6. Step 6: Final answer
    x = 46,868.98

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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.