Home / 87,169.23-130,708.49-31,001.15

Finding the Fourth Proportional to 87,169.23, 130,708.49 and 31,001.15

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Solution

The fourth proportional to 87,169.23, 130,708.49 and 31,001.15 is: 46,485.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,169.23 : 130,708.49 = 31,001.15 : x
  2. Step 2: Convert to fraction form
    87,169.23/130,708.49 = 31,001.15/x
  3. Step 3: Cross multiply
    87,169.23x = 130,708.49 × 31,001.15
  4. Step 4: Simplify right side
    87,169.23x = 4,052,113,676.53
  5. Step 5: Solve for x
    x = 4,052,113,676.53/87,169.23
  6. Step 6: Final answer
    x = 46,485.60

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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.