Home / 80,317.24-120,472.89-38,227.48

Finding the Fourth Proportional to 80,317.24, 120,472.89 and 38,227.48

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Solution

The fourth proportional to 80,317.24, 120,472.89 and 38,227.48 is: 57,339.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,317.24 : 120,472.89 = 38,227.48 : x
  2. Step 2: Convert to fraction form
    80,317.24/120,472.89 = 38,227.48/x
  3. Step 3: Cross multiply
    80,317.24x = 120,472.89 × 38,227.48
  4. Step 4: Simplify right side
    80,317.24x = 4,605,374,993.02
  5. Step 5: Solve for x
    x = 4,605,374,993.02/80,317.24
  6. Step 6: Final answer
    x = 57,339.81

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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.