Home / 80,557.44-120,836.21-30,626.00

Finding the Fourth Proportional to 80,557.44, 120,836.21 and 30,626.00

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Solution

The fourth proportional to 80,557.44, 120,836.21 and 30,626.00 is: 45,939.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,557.44 : 120,836.21 = 30,626.00 : x
  2. Step 2: Convert to fraction form
    80,557.44/120,836.21 = 30,626.00/x
  3. Step 3: Cross multiply
    80,557.44x = 120,836.21 × 30,626.00
  4. Step 4: Simplify right side
    80,557.44x = 3,700,729,463.28
  5. Step 5: Solve for x
    x = 3,700,729,463.28/80,557.44
  6. Step 6: Final answer
    x = 45,939.02

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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.