Home / 58,719.20-88,127.40-27,177.80

Finding the Fourth Proportional to 58,719.20, 88,127.40 and 27,177.80

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Solution

The fourth proportional to 58,719.20, 88,127.40 and 27,177.80 is: 40,789.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,719.20 : 88,127.40 = 27,177.80 : x
  2. Step 2: Convert to fraction form
    58,719.20/88,127.40 = 27,177.80/x
  3. Step 3: Cross multiply
    58,719.20x = 88,127.40 × 27,177.80
  4. Step 4: Simplify right side
    58,719.20x = 2,395,108,851.72
  5. Step 5: Solve for x
    x = 2,395,108,851.72/58,719.20
  6. Step 6: Final answer
    x = 40,789.19

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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.