Home / 87,083.22-120,167.16-48,322.02

Finding the Fourth Proportional to 87,083.22, 120,167.16 and 48,322.02

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Solution

The fourth proportional to 87,083.22, 120,167.16 and 48,322.02 is: 66,680.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,083.22 : 120,167.16 = 48,322.02 : x
  2. Step 2: Convert to fraction form
    87,083.22/120,167.16 = 48,322.02/x
  3. Step 3: Cross multiply
    87,083.22x = 120,167.16 × 48,322.02
  4. Step 4: Simplify right side
    87,083.22x = 5,806,719,908.86
  5. Step 5: Solve for x
    x = 5,806,719,908.86/87,083.22
  6. Step 6: Final answer
    x = 66,680.12

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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.