Home / 80,599.24-120,821.10-41,174.92

Finding the Fourth Proportional to 80,599.24, 120,821.10 and 41,174.92

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Solution

The fourth proportional to 80,599.24, 120,821.10 and 41,174.92 is: 61,722.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,599.24 : 120,821.10 = 41,174.92 : x
  2. Step 2: Convert to fraction form
    80,599.24/120,821.10 = 41,174.92/x
  3. Step 3: Cross multiply
    80,599.24x = 120,821.10 × 41,174.92
  4. Step 4: Simplify right side
    80,599.24x = 4,974,799,126.81
  5. Step 5: Solve for x
    x = 4,974,799,126.81/80,599.24
  6. Step 6: Final answer
    x = 61,722.66

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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.