Home / 91,771.70-126,689.52-61,546.04

Finding the Fourth Proportional to 91,771.70, 126,689.52 and 61,546.04

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Solution

The fourth proportional to 91,771.70, 126,689.52 and 61,546.04 is: 84,963.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,771.70 : 126,689.52 = 61,546.04 : x
  2. Step 2: Convert to fraction form
    91,771.70/126,689.52 = 61,546.04/x
  3. Step 3: Cross multiply
    91,771.70x = 126,689.52 × 61,546.04
  4. Step 4: Simplify right side
    91,771.70x = 7,797,238,265.50
  5. Step 5: Solve for x
    x = 7,797,238,265.50/91,771.70
  6. Step 6: Final answer
    x = 84,963.43

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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.