Home / 115,789.38-159,789.34-62,797.38

Finding the Fourth Proportional to 115,789.38, 159,789.34 and 62,797.38

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Solution

The fourth proportional to 115,789.38, 159,789.34 and 62,797.38 is: 86,660.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,789.38 : 159,789.34 = 62,797.38 : x
  2. Step 2: Convert to fraction form
    115,789.38/159,789.34 = 62,797.38/x
  3. Step 3: Cross multiply
    115,789.38x = 159,789.34 × 62,797.38
  4. Step 4: Simplify right side
    115,789.38x = 10,034,351,903.93
  5. Step 5: Solve for x
    x = 10,034,351,903.93/115,789.38
  6. Step 6: Final answer
    x = 86,660.38

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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.