Home / 87,324.30-130,986.45-24,986.70

Finding the Fourth Proportional to 87,324.30, 130,986.45 and 24,986.70

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Solution

The fourth proportional to 87,324.30, 130,986.45 and 24,986.70 is: 37,480.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,324.30 : 130,986.45 = 24,986.70 : x
  2. Step 2: Convert to fraction form
    87,324.30/130,986.45 = 24,986.70/x
  3. Step 3: Cross multiply
    87,324.30x = 130,986.45 × 24,986.70
  4. Step 4: Simplify right side
    87,324.30x = 3,272,919,130.22
  5. Step 5: Solve for x
    x = 3,272,919,130.22/87,324.30
  6. Step 6: Final answer
    x = 37,480.05

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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.