Home / 89,724.40-123,818.04-49,441.88

Finding the Fourth Proportional to 89,724.40, 123,818.04 and 49,441.88

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Solution

The fourth proportional to 89,724.40, 123,818.04 and 49,441.88 is: 68,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,724.40 : 123,818.04 = 49,441.88 : x
  2. Step 2: Convert to fraction form
    89,724.40/123,818.04 = 49,441.88/x
  3. Step 3: Cross multiply
    89,724.40x = 123,818.04 × 49,441.88
  4. Step 4: Simplify right side
    89,724.40x = 6,121,796,675.52
  5. Step 5: Solve for x
    x = 6,121,796,675.52/89,724.40
  6. Step 6: Final answer
    x = 68,228.90

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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.