Home / 91,863.22-126,770.31-51,576.07

Finding the Fourth Proportional to 91,863.22, 126,770.31 and 51,576.07

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Solution

The fourth proportional to 91,863.22, 126,770.31 and 51,576.07 is: 71,174.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,863.22 : 126,770.31 = 51,576.07 : x
  2. Step 2: Convert to fraction form
    91,863.22/126,770.31 = 51,576.07/x
  3. Step 3: Cross multiply
    91,863.22x = 126,770.31 × 51,576.07
  4. Step 4: Simplify right side
    91,863.22x = 6,538,314,382.48
  5. Step 5: Solve for x
    x = 6,538,314,382.48/91,863.22
  6. Step 6: Final answer
    x = 71,174.45

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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.