Home / 87,243.76-130,862.85-36,669.58

Finding the Fourth Proportional to 87,243.76, 130,862.85 and 36,669.58

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Solution

The fourth proportional to 87,243.76, 130,862.85 and 36,669.58 is: 55,003.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,243.76 : 130,862.85 = 36,669.58 : x
  2. Step 2: Convert to fraction form
    87,243.76/130,862.85 = 36,669.58/x
  3. Step 3: Cross multiply
    87,243.76x = 130,862.85 × 36,669.58
  4. Step 4: Simplify right side
    87,243.76x = 4,798,685,747.10
  5. Step 5: Solve for x
    x = 4,798,685,747.10/87,243.76
  6. Step 6: Final answer
    x = 55,003.20

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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.