Home / 90,169.68-124,431.96-49,882.56

Finding the Fourth Proportional to 90,169.68, 124,431.96 and 49,882.56

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Solution

The fourth proportional to 90,169.68, 124,431.96 and 49,882.56 is: 68,836.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,169.68 : 124,431.96 = 49,882.56 : x
  2. Step 2: Convert to fraction form
    90,169.68/124,431.96 = 49,882.56/x
  3. Step 3: Cross multiply
    90,169.68x = 124,431.96 × 49,882.56
  4. Step 4: Simplify right side
    90,169.68x = 6,206,984,710.62
  5. Step 5: Solve for x
    x = 6,206,984,710.62/90,169.68
  6. Step 6: Final answer
    x = 68,836.72

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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.