Home / 97,934.52-135,190.94-66,146.48

Finding the Fourth Proportional to 97,934.52, 135,190.94 and 66,146.48

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Solution

The fourth proportional to 97,934.52, 135,190.94 and 66,146.48 is: 91,310.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,934.52 : 135,190.94 = 66,146.48 : x
  2. Step 2: Convert to fraction form
    97,934.52/135,190.94 = 66,146.48/x
  3. Step 3: Cross multiply
    97,934.52x = 135,190.94 × 66,146.48
  4. Step 4: Simplify right side
    97,934.52x = 8,942,404,808.89
  5. Step 5: Solve for x
    x = 8,942,404,808.89/97,934.52
  6. Step 6: Final answer
    x = 91,310.04

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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.