Home / 120,834.68-166,747.17-67,123.10

Finding the Fourth Proportional to 120,834.68, 166,747.17 and 67,123.10

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Solution

The fourth proportional to 120,834.68, 166,747.17 and 67,123.10 is: 92,627.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,834.68 : 166,747.17 = 67,123.10 : x
  2. Step 2: Convert to fraction form
    120,834.68/166,747.17 = 67,123.10/x
  3. Step 3: Cross multiply
    120,834.68x = 166,747.17 × 67,123.10
  4. Step 4: Simplify right side
    120,834.68x = 11,192,586,966.63
  5. Step 5: Solve for x
    x = 11,192,586,966.63/120,834.68
  6. Step 6: Final answer
    x = 92,627.27

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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.