Home / 80,570.28-120,842.94-41,156.52

Finding the Fourth Proportional to 80,570.28, 120,842.94 and 41,156.52

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Solution

The fourth proportional to 80,570.28, 120,842.94 and 41,156.52 is: 61,728.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,570.28 : 120,842.94 = 41,156.52 : x
  2. Step 2: Convert to fraction form
    80,570.28/120,842.94 = 41,156.52/x
  3. Step 3: Cross multiply
    80,570.28x = 120,842.94 × 41,156.52
  4. Step 4: Simplify right side
    80,570.28x = 4,973,474,876.97
  5. Step 5: Solve for x
    x = 4,973,474,876.97/80,570.28
  6. Step 6: Final answer
    x = 61,728.41

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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.