Home / 87,255.74-130,712.24-57,583.02

Finding the Fourth Proportional to 87,255.74, 130,712.24 and 57,583.02

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Solution

The fourth proportional to 87,255.74, 130,712.24 and 57,583.02 is: 86,261.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,255.74 : 130,712.24 = 57,583.02 : x
  2. Step 2: Convert to fraction form
    87,255.74/130,712.24 = 57,583.02/x
  3. Step 3: Cross multiply
    87,255.74x = 130,712.24 × 57,583.02
  4. Step 4: Simplify right side
    87,255.74x = 7,526,805,530.16
  5. Step 5: Solve for x
    x = 7,526,805,530.16/87,255.74
  6. Step 6: Final answer
    x = 86,261.44

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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.