Home / 97,205.57-134,092.49-66,938.43

Finding the Fourth Proportional to 97,205.57, 134,092.49 and 66,938.43

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Solution

The fourth proportional to 97,205.57, 134,092.49 and 66,938.43 is: 92,339.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,205.57 : 134,092.49 = 66,938.43 : x
  2. Step 2: Convert to fraction form
    97,205.57/134,092.49 = 66,938.43/x
  3. Step 3: Cross multiply
    97,205.57x = 134,092.49 × 66,938.43
  4. Step 4: Simplify right side
    97,205.57x = 8,975,940,420.70
  5. Step 5: Solve for x
    x = 8,975,940,420.70/97,205.57
  6. Step 6: Final answer
    x = 92,339.78

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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.