Home / 82,113.77-123,170.65-29,494.55

Finding the Fourth Proportional to 82,113.77, 123,170.65 and 29,494.55

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Solution

The fourth proportional to 82,113.77, 123,170.65 and 29,494.55 is: 44,241.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,113.77 : 123,170.65 = 29,494.55 : x
  2. Step 2: Convert to fraction form
    82,113.77/123,170.65 = 29,494.55/x
  3. Step 3: Cross multiply
    82,113.77x = 123,170.65 × 29,494.55
  4. Step 4: Simplify right side
    82,113.77x = 3,632,862,894.96
  5. Step 5: Solve for x
    x = 3,632,862,894.96/82,113.77
  6. Step 6: Final answer
    x = 44,241.82

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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.