Home / 123,748.49-170,773.01-67,159.87

Finding the Fourth Proportional to 123,748.49, 170,773.01 and 67,159.87

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Solution

The fourth proportional to 123,748.49, 170,773.01 and 67,159.87 is: 92,680.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,748.49 : 170,773.01 = 67,159.87 : x
  2. Step 2: Convert to fraction form
    123,748.49/170,773.01 = 67,159.87/x
  3. Step 3: Cross multiply
    123,748.49x = 170,773.01 × 67,159.87
  4. Step 4: Simplify right side
    123,748.49x = 11,469,093,151.11
  5. Step 5: Solve for x
    x = 11,469,093,151.11/123,748.49
  6. Step 6: Final answer
    x = 92,680.67

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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.