Home / 91,769.58-126,641.72-50,939.88

Finding the Fourth Proportional to 91,769.58, 126,641.72 and 50,939.88

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Solution

The fourth proportional to 91,769.58, 126,641.72 and 50,939.88 is: 70,296.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,769.58 : 126,641.72 = 50,939.88 : x
  2. Step 2: Convert to fraction form
    91,769.58/126,641.72 = 50,939.88/x
  3. Step 3: Cross multiply
    91,769.58x = 126,641.72 × 50,939.88
  4. Step 4: Simplify right side
    91,769.58x = 6,451,114,019.79
  5. Step 5: Solve for x
    x = 6,451,114,019.79/91,769.58
  6. Step 6: Final answer
    x = 70,296.87

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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.