Home / 80,085.06-120,062.79-33,372.90

Finding the Fourth Proportional to 80,085.06, 120,062.79 and 33,372.90

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Solution

The fourth proportional to 80,085.06, 120,062.79 and 33,372.90 is: 50,032.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,085.06 : 120,062.79 = 33,372.90 : x
  2. Step 2: Convert to fraction form
    80,085.06/120,062.79 = 33,372.90/x
  3. Step 3: Cross multiply
    80,085.06x = 120,062.79 × 33,372.90
  4. Step 4: Simplify right side
    80,085.06x = 4,006,843,484.39
  5. Step 5: Solve for x
    x = 4,006,843,484.39/80,085.06
  6. Step 6: Final answer
    x = 50,032.35

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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.