Home / 89,815.47-134,723.20-50,375.66

Finding the Fourth Proportional to 89,815.47, 134,723.20 and 50,375.66

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Solution

The fourth proportional to 89,815.47, 134,723.20 and 50,375.66 is: 75,563.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,815.47 : 134,723.20 = 50,375.66 : x
  2. Step 2: Convert to fraction form
    89,815.47/134,723.20 = 50,375.66/x
  3. Step 3: Cross multiply
    89,815.47x = 134,723.20 × 50,375.66
  4. Step 4: Simplify right side
    89,815.47x = 6,786,769,697.03
  5. Step 5: Solve for x
    x = 6,786,769,697.03/89,815.47
  6. Step 6: Final answer
    x = 75,563.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.