Home / 80,572.27-111,158.72-59,401.87

Finding the Fourth Proportional to 80,572.27, 111,158.72 and 59,401.87

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Solution

The fourth proportional to 80,572.27, 111,158.72 and 59,401.87 is: 81,951.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,572.27 : 111,158.72 = 59,401.87 : x
  2. Step 2: Convert to fraction form
    80,572.27/111,158.72 = 59,401.87/x
  3. Step 3: Cross multiply
    80,572.27x = 111,158.72 × 59,401.87
  4. Step 4: Simplify right side
    80,572.27x = 6,603,035,537.80
  5. Step 5: Solve for x
    x = 6,603,035,537.80/80,572.27
  6. Step 6: Final answer
    x = 81,951.71

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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.