Home / 80,373.07-120,566.15-40,371.47

Finding the Fourth Proportional to 80,373.07, 120,566.15 and 40,371.47

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Solution

The fourth proportional to 80,373.07, 120,566.15 and 40,371.47 is: 60,560.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,373.07 : 120,566.15 = 40,371.47 : x
  2. Step 2: Convert to fraction form
    80,373.07/120,566.15 = 40,371.47/x
  3. Step 3: Cross multiply
    80,373.07x = 120,566.15 × 40,371.47
  4. Step 4: Simplify right side
    80,373.07x = 4,867,432,205.84
  5. Step 5: Solve for x
    x = 4,867,432,205.84/80,373.07
  6. Step 6: Final answer
    x = 60,560.49

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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.