Home / 87,383.26-131,033.48-30,437.31

Finding the Fourth Proportional to 87,383.26, 131,033.48 and 30,437.31

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Solution

The fourth proportional to 87,383.26, 131,033.48 and 30,437.31 is: 45,641.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,383.26 : 131,033.48 = 30,437.31 : x
  2. Step 2: Convert to fraction form
    87,383.26/131,033.48 = 30,437.31/x
  3. Step 3: Cross multiply
    87,383.26x = 131,033.48 × 30,437.31
  4. Step 4: Simplify right side
    87,383.26x = 3,988,306,651.14
  5. Step 5: Solve for x
    x = 3,988,306,651.14/87,383.26
  6. Step 6: Final answer
    x = 45,641.54

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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.