Home / 73,251.42-109,882.61-31,126.77

Finding the Fourth Proportional to 73,251.42, 109,882.61 and 31,126.77

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Solution

The fourth proportional to 73,251.42, 109,882.61 and 31,126.77 is: 46,692.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,251.42 : 109,882.61 = 31,126.77 : x
  2. Step 2: Convert to fraction form
    73,251.42/109,882.61 = 31,126.77/x
  3. Step 3: Cross multiply
    73,251.42x = 109,882.61 × 31,126.77
  4. Step 4: Simplify right side
    73,251.42x = 3,420,290,572.84
  5. Step 5: Solve for x
    x = 3,420,290,572.84/73,251.42
  6. Step 6: Final answer
    x = 46,692.48

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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.