Home / 107,029.38-147,660.89-69,324.42

Finding the Fourth Proportional to 107,029.38, 147,660.89 and 69,324.42

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Solution

The fourth proportional to 107,029.38, 147,660.89 and 69,324.42 is: 95,642.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,029.38 : 147,660.89 = 69,324.42 : x
  2. Step 2: Convert to fraction form
    107,029.38/147,660.89 = 69,324.42/x
  3. Step 3: Cross multiply
    107,029.38x = 147,660.89 × 69,324.42
  4. Step 4: Simplify right side
    107,029.38x = 10,236,505,555.93
  5. Step 5: Solve for x
    x = 10,236,505,555.93/107,029.38
  6. Step 6: Final answer
    x = 95,642.01

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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.