Home / 87,083.27-130,515.62-47,100.65

Finding the Fourth Proportional to 87,083.27, 130,515.62 and 47,100.65

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Solution

The fourth proportional to 87,083.27, 130,515.62 and 47,100.65 is: 70,591.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,083.27 : 130,515.62 = 47,100.65 : x
  2. Step 2: Convert to fraction form
    87,083.27/130,515.62 = 47,100.65/x
  3. Step 3: Cross multiply
    87,083.27x = 130,515.62 × 47,100.65
  4. Step 4: Simplify right side
    87,083.27x = 6,147,370,537.15
  5. Step 5: Solve for x
    x = 6,147,370,537.15/87,083.27
  6. Step 6: Final answer
    x = 70,591.87

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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.