Home / 91,769.14-126,641.46-53,554.96

Finding the Fourth Proportional to 91,769.14, 126,641.46 and 53,554.96

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Solution

The fourth proportional to 91,769.14, 126,641.46 and 53,554.96 is: 73,905.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,769.14 : 126,641.46 = 53,554.96 : x
  2. Step 2: Convert to fraction form
    91,769.14/126,641.46 = 53,554.96/x
  3. Step 3: Cross multiply
    91,769.14x = 126,641.46 × 53,554.96
  4. Step 4: Simplify right side
    91,769.14x = 6,782,278,324.64
  5. Step 5: Solve for x
    x = 6,782,278,324.64/91,769.14
  6. Step 6: Final answer
    x = 73,905.87

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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.