Home / 49,381.52-68,144.76-28,167.56

Finding the Fourth Proportional to 49,381.52, 68,144.76 and 28,167.56

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Solution

The fourth proportional to 49,381.52, 68,144.76 and 28,167.56 is: 38,870.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,381.52 : 68,144.76 = 28,167.56 : x
  2. Step 2: Convert to fraction form
    49,381.52/68,144.76 = 28,167.56/x
  3. Step 3: Cross multiply
    49,381.52x = 68,144.76 × 28,167.56
  4. Step 4: Simplify right side
    49,381.52x = 1,919,471,615.99
  5. Step 5: Solve for x
    x = 1,919,471,615.99/49,381.52
  6. Step 6: Final answer
    x = 38,870.24

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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.