Home / 87,082.22-120,165.78-48,321.02

Finding the Fourth Proportional to 87,082.22, 120,165.78 and 48,321.02

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Solution

The fourth proportional to 87,082.22, 120,165.78 and 48,321.02 is: 66,678.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,082.22 : 120,165.78 = 48,321.02 : x
  2. Step 2: Convert to fraction form
    87,082.22/120,165.78 = 48,321.02/x
  3. Step 3: Cross multiply
    87,082.22x = 120,165.78 × 48,321.02
  4. Step 4: Simplify right side
    87,082.22x = 5,806,533,058.70
  5. Step 5: Solve for x
    x = 5,806,533,058.70/87,082.22
  6. Step 6: Final answer
    x = 66,678.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.