Home / 87,827.63-131,752.78-40,431.29

Finding the Fourth Proportional to 87,827.63, 131,752.78 and 40,431.29

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Solution

The fourth proportional to 87,827.63, 131,752.78 and 40,431.29 is: 60,652.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,827.63 : 131,752.78 = 40,431.29 : x
  2. Step 2: Convert to fraction form
    87,827.63/131,752.78 = 40,431.29/x
  3. Step 3: Cross multiply
    87,827.63x = 131,752.78 × 40,431.29
  4. Step 4: Simplify right side
    87,827.63x = 5,326,934,096.64
  5. Step 5: Solve for x
    x = 5,326,934,096.64/87,827.63
  6. Step 6: Final answer
    x = 60,652.15

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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.