Home / 90,008.44-124,213.42-49,723.90

Finding the Fourth Proportional to 90,008.44, 124,213.42 and 49,723.90

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Solution

The fourth proportional to 90,008.44, 124,213.42 and 49,723.90 is: 68,619.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,008.44 : 124,213.42 = 49,723.90 : x
  2. Step 2: Convert to fraction form
    90,008.44/124,213.42 = 49,723.90/x
  3. Step 3: Cross multiply
    90,008.44x = 124,213.42 × 49,723.90
  4. Step 4: Simplify right side
    90,008.44x = 6,176,375,674.74
  5. Step 5: Solve for x
    x = 6,176,375,674.74/90,008.44
  6. Step 6: Final answer
    x = 68,619.96

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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.