Home / 77,229.24-115,853.40-27,299.04

Finding the Fourth Proportional to 77,229.24, 115,853.40 and 27,299.04

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Solution

The fourth proportional to 77,229.24, 115,853.40 and 27,299.04 is: 40,951.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,229.24 : 115,853.40 = 27,299.04 : x
  2. Step 2: Convert to fraction form
    77,229.24/115,853.40 = 27,299.04/x
  3. Step 3: Cross multiply
    77,229.24x = 115,853.40 × 27,299.04
  4. Step 4: Simplify right side
    77,229.24x = 3,162,686,600.74
  5. Step 5: Solve for x
    x = 3,162,686,600.74/77,229.24
  6. Step 6: Final answer
    x = 40,951.93

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1.5x scale

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.