Home / 87,851.13-131,714.06-41,078.49

Finding the Fourth Proportional to 87,851.13, 131,714.06 and 41,078.49

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Solution

The fourth proportional to 87,851.13, 131,714.06 and 41,078.49 is: 61,588.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,851.13 : 131,714.06 = 41,078.49 : x
  2. Step 2: Convert to fraction form
    87,851.13/131,714.06 = 41,078.49/x
  3. Step 3: Cross multiply
    87,851.13x = 131,714.06 × 41,078.49
  4. Step 4: Simplify right side
    87,851.13x = 5,410,614,491.18
  5. Step 5: Solve for x
    x = 5,410,614,491.18/87,851.13
  6. Step 6: Final answer
    x = 61,588.45

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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.