Home / 80,837.46-111,559.08-45,027.42

Finding the Fourth Proportional to 80,837.46, 111,559.08 and 45,027.42

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Solution

The fourth proportional to 80,837.46, 111,559.08 and 45,027.42 is: 62,139.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,837.46 : 111,559.08 = 45,027.42 : x
  2. Step 2: Convert to fraction form
    80,837.46/111,559.08 = 45,027.42/x
  3. Step 3: Cross multiply
    80,837.46x = 111,559.08 × 45,027.42
  4. Step 4: Simplify right side
    80,837.46x = 5,023,217,549.97
  5. Step 5: Solve for x
    x = 5,023,217,549.97/80,837.46
  6. Step 6: Final answer
    x = 62,139.73

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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.