Home / 80,317.22-120,586.18-40,900.82

Finding the Fourth Proportional to 80,317.22, 120,586.18 and 40,900.82

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Solution

The fourth proportional to 80,317.22, 120,586.18 and 40,900.82 is: 61,407.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,317.22 : 120,586.18 = 40,900.82 : x
  2. Step 2: Convert to fraction form
    80,317.22/120,586.18 = 40,900.82/x
  3. Step 3: Cross multiply
    80,317.22x = 120,586.18 × 40,900.82
  4. Step 4: Simplify right side
    80,317.22x = 4,932,073,642.67
  5. Step 5: Solve for x
    x = 4,932,073,642.67/80,317.22
  6. Step 6: Final answer
    x = 61,407.42

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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.