Home / 89,555.25-123,586.24-49,268.15

Finding the Fourth Proportional to 89,555.25, 123,586.24 and 49,268.15

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Solution

The fourth proportional to 89,555.25, 123,586.24 and 49,268.15 is: 67,990.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,555.25 : 123,586.24 = 49,268.15 : x
  2. Step 2: Convert to fraction form
    89,555.25/123,586.24 = 49,268.15/x
  3. Step 3: Cross multiply
    89,555.25x = 123,586.24 × 49,268.15
  4. Step 4: Simplify right side
    89,555.25x = 6,088,865,023.53
  5. Step 5: Solve for x
    x = 6,088,865,023.53/89,555.25
  6. Step 6: Final answer
    x = 67,990.04

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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.