Home / 89,288.27-123,217.45-49,002.69

Finding the Fourth Proportional to 89,288.27, 123,217.45 and 49,002.69

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Solution

The fourth proportional to 89,288.27, 123,217.45 and 49,002.69 is: 67,623.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,288.27 : 123,217.45 = 49,002.69 : x
  2. Step 2: Convert to fraction form
    89,288.27/123,217.45 = 49,002.69/x
  3. Step 3: Cross multiply
    89,288.27x = 123,217.45 × 49,002.69
  4. Step 4: Simplify right side
    89,288.27x = 6,037,986,382.43
  5. Step 5: Solve for x
    x = 6,037,986,382.43/89,288.27
  6. Step 6: Final answer
    x = 67,623.52

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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.