Home / 123,337.11-170,205.21-66,748.49

Finding the Fourth Proportional to 123,337.11, 170,205.21 and 66,748.49

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Solution

The fourth proportional to 123,337.11, 170,205.21 and 66,748.49 is: 92,112.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,337.11 : 170,205.21 = 66,748.49 : x
  2. Step 2: Convert to fraction form
    123,337.11/170,205.21 = 66,748.49/x
  3. Step 3: Cross multiply
    123,337.11x = 170,205.21 × 66,748.49
  4. Step 4: Simplify right side
    123,337.11x = 11,360,940,757.63
  5. Step 5: Solve for x
    x = 11,360,940,757.63/123,337.11
  6. Step 6: Final answer
    x = 92,112.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.