Home / 80,601.29-111,211.26-50,001.92

Finding the Fourth Proportional to 80,601.29, 111,211.26 and 50,001.92

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Solution

The fourth proportional to 80,601.29, 111,211.26 and 50,001.92 is: 68,991.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,601.29 : 111,211.26 = 50,001.92 : x
  2. Step 2: Convert to fraction form
    80,601.29/111,211.26 = 50,001.92/x
  3. Step 3: Cross multiply
    80,601.29x = 111,211.26 × 50,001.92
  4. Step 4: Simplify right side
    80,601.29x = 5,560,776,574.11
  5. Step 5: Solve for x
    x = 5,560,776,574.11/80,601.29
  6. Step 6: Final answer
    x = 68,991.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.