Home / 87,576.04-131,382.51-28,407.09

Finding the Fourth Proportional to 87,576.04, 131,382.51 and 28,407.09

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Solution

The fourth proportional to 87,576.04, 131,382.51 and 28,407.09 is: 42,616.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,576.04 : 131,382.51 = 28,407.09 : x
  2. Step 2: Convert to fraction form
    87,576.04/131,382.51 = 28,407.09/x
  3. Step 3: Cross multiply
    87,576.04x = 131,382.51 × 28,407.09
  4. Step 4: Simplify right side
    87,576.04x = 3,732,194,643.96
  5. Step 5: Solve for x
    x = 3,732,194,643.96/87,576.04
  6. Step 6: Final answer
    x = 42,616.62

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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.