Home / 87,083.72-120,167.85-48,322.52

Finding the Fourth Proportional to 87,083.72, 120,167.85 and 48,322.52

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Solution

The fourth proportional to 87,083.72, 120,167.85 and 48,322.52 is: 66,680.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,083.72 : 120,167.85 = 48,322.52 : x
  2. Step 2: Convert to fraction form
    87,083.72/120,167.85 = 48,322.52/x
  3. Step 3: Cross multiply
    87,083.72x = 120,167.85 × 48,322.52
  4. Step 4: Simplify right side
    87,083.72x = 5,806,813,334.98
  5. Step 5: Solve for x
    x = 5,806,813,334.98/87,083.72
  6. Step 6: Final answer
    x = 66,680.81

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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.