Home / 80,043.03-120,060.21-40,599.12

Finding the Fourth Proportional to 80,043.03, 120,060.21 and 40,599.12

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Solution

The fourth proportional to 80,043.03, 120,060.21 and 40,599.12 is: 60,896.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,043.03 : 120,060.21 = 40,599.12 : x
  2. Step 2: Convert to fraction form
    80,043.03/120,060.21 = 40,599.12/x
  3. Step 3: Cross multiply
    80,043.03x = 120,060.21 × 40,599.12
  4. Step 4: Simplify right side
    80,043.03x = 4,874,338,873.02
  5. Step 5: Solve for x
    x = 4,874,338,873.02/80,043.03
  6. Step 6: Final answer
    x = 60,896.48

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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.