Home / 82,508.12-113,858.16-44,781.56

Finding the Fourth Proportional to 82,508.12, 113,858.16 and 44,781.56

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Solution

The fourth proportional to 82,508.12, 113,858.16 and 44,781.56 is: 61,796.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,508.12 : 113,858.16 = 44,781.56 : x
  2. Step 2: Convert to fraction form
    82,508.12/113,858.16 = 44,781.56/x
  3. Step 3: Cross multiply
    82,508.12x = 113,858.16 × 44,781.56
  4. Step 4: Simplify right side
    82,508.12x = 5,098,746,023.53
  5. Step 5: Solve for x
    x = 5,098,746,023.53/82,508.12
  6. Step 6: Final answer
    x = 61,796.90

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1.5x scale

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.