Home / 54,082.12-80,925.82-31,906.12

Finding the Fourth Proportional to 54,082.12, 80,925.82 and 31,906.12

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Solution

The fourth proportional to 54,082.12, 80,925.82 and 31,906.12 is: 47,742.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,082.12 : 80,925.82 = 31,906.12 : x
  2. Step 2: Convert to fraction form
    54,082.12/80,925.82 = 31,906.12/x
  3. Step 3: Cross multiply
    54,082.12x = 80,925.82 × 31,906.12
  4. Step 4: Simplify right side
    54,082.12x = 2,582,028,924.02
  5. Step 5: Solve for x
    x = 2,582,028,924.02/54,082.12
  6. Step 6: Final answer
    x = 47,742.75

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1.5x scale

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.