Home / 45,143.12-62,278.18-27,227.92

Finding the Fourth Proportional to 45,143.12, 62,278.18 and 27,227.92

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Solution

The fourth proportional to 45,143.12, 62,278.18 and 27,227.92 is: 37,562.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,143.12 : 62,278.18 = 27,227.92 : x
  2. Step 2: Convert to fraction form
    45,143.12/62,278.18 = 27,227.92/x
  3. Step 3: Cross multiply
    45,143.12x = 62,278.18 × 27,227.92
  4. Step 4: Simplify right side
    45,143.12x = 1,695,705,302.79
  5. Step 5: Solve for x
    x = 1,695,705,302.79/45,143.12
  6. Step 6: Final answer
    x = 37,562.87

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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.