Home / 80,565.06-120,846.80-48,983.84

Finding the Fourth Proportional to 80,565.06, 120,846.80 and 48,983.84

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Solution

The fourth proportional to 80,565.06, 120,846.80 and 48,983.84 is: 73,475.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,565.06 : 120,846.80 = 48,983.84 : x
  2. Step 2: Convert to fraction form
    80,565.06/120,846.80 = 48,983.84/x
  3. Step 3: Cross multiply
    80,565.06x = 120,846.80 × 48,983.84
  4. Step 4: Simplify right side
    80,565.06x = 5,919,540,287.11
  5. Step 5: Solve for x
    x = 5,919,540,287.11/80,565.06
  6. Step 6: Final answer
    x = 73,475.28

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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.