Home / 97,963.62-135,191.24-57,126.61

Finding the Fourth Proportional to 97,963.62, 135,191.24 and 57,126.61

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Solution

The fourth proportional to 97,963.62, 135,191.24 and 57,126.61 is: 78,835.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,963.62 : 135,191.24 = 57,126.61 : x
  2. Step 2: Convert to fraction form
    97,963.62/135,191.24 = 57,126.61/x
  3. Step 3: Cross multiply
    97,963.62x = 135,191.24 × 57,126.61
  4. Step 4: Simplify right side
    97,963.62x = 7,723,016,566.94
  5. Step 5: Solve for x
    x = 7,723,016,566.94/97,963.62
  6. Step 6: Final answer
    x = 78,835.56

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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.