Home / 80,405.28-120,625.02-24,249.60

Finding the Fourth Proportional to 80,405.28, 120,625.02 and 24,249.60

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Solution

The fourth proportional to 80,405.28, 120,625.02 and 24,249.60 is: 36,379.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,405.28 : 120,625.02 = 24,249.60 : x
  2. Step 2: Convert to fraction form
    80,405.28/120,625.02 = 24,249.60/x
  3. Step 3: Cross multiply
    80,405.28x = 120,625.02 × 24,249.60
  4. Step 4: Simplify right side
    80,405.28x = 2,925,108,484.99
  5. Step 5: Solve for x
    x = 2,925,108,484.99/80,405.28
  6. Step 6: Final answer
    x = 36,379.56

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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.