Home / 91,576.35-126,375.76-53,362.12

Finding the Fourth Proportional to 91,576.35, 126,375.76 and 53,362.12

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Solution

The fourth proportional to 91,576.35, 126,375.76 and 53,362.12 is: 73,639.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,576.35 : 126,375.76 = 53,362.12 : x
  2. Step 2: Convert to fraction form
    91,576.35/126,375.76 = 53,362.12/x
  3. Step 3: Cross multiply
    91,576.35x = 126,375.76 × 53,362.12
  4. Step 4: Simplify right side
    91,576.35x = 6,743,677,877.38
  5. Step 5: Solve for x
    x = 6,743,677,877.38/91,576.35
  6. Step 6: Final answer
    x = 73,639.95

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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.