Home / 87,350.81-130,993.92-31,175.87

Finding the Fourth Proportional to 87,350.81, 130,993.92 and 31,175.87

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Solution

The fourth proportional to 87,350.81, 130,993.92 and 31,175.87 is: 46,752.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,350.81 : 130,993.92 = 31,175.87 : x
  2. Step 2: Convert to fraction form
    87,350.81/130,993.92 = 31,175.87/x
  3. Step 3: Cross multiply
    87,350.81x = 130,993.92 × 31,175.87
  4. Step 4: Simplify right side
    87,350.81x = 4,083,848,765.74
  5. Step 5: Solve for x
    x = 4,083,848,765.74/87,350.81
  6. Step 6: Final answer
    x = 46,752.27

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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.