Home / 107,247.42-148,022.99-61,932.78

Finding the Fourth Proportional to 107,247.42, 148,022.99 and 61,932.78

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Solution

The fourth proportional to 107,247.42, 148,022.99 and 61,932.78 is: 85,479.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,247.42 : 148,022.99 = 61,932.78 : x
  2. Step 2: Convert to fraction form
    107,247.42/148,022.99 = 61,932.78/x
  3. Step 3: Cross multiply
    107,247.42x = 148,022.99 × 61,932.78
  4. Step 4: Simplify right side
    107,247.42x = 9,167,475,335.01
  5. Step 5: Solve for x
    x = 9,167,475,335.01/107,247.42
  6. Step 6: Final answer
    x = 85,479.68

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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.