Home / 80,842.20-111,565.67-45,032.22

Finding the Fourth Proportional to 80,842.20, 111,565.67 and 45,032.22

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Solution

The fourth proportional to 80,842.20, 111,565.67 and 45,032.22 is: 62,146.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,842.20 : 111,565.67 = 45,032.22 : x
  2. Step 2: Convert to fraction form
    80,842.20/111,565.67 = 45,032.22/x
  3. Step 3: Cross multiply
    80,842.20x = 111,565.67 × 45,032.22
  4. Step 4: Simplify right side
    80,842.20x = 5,024,049,570.73
  5. Step 5: Solve for x
    x = 5,024,049,570.73/80,842.20
  6. Step 6: Final answer
    x = 62,146.37

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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.