Home / 123,865.92-170,935.68-67,277.76

Finding the Fourth Proportional to 123,865.92, 170,935.68 and 67,277.76

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Solution

The fourth proportional to 123,865.92, 170,935.68 and 67,277.76 is: 92,843.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,865.92 : 170,935.68 = 67,277.76 : x
  2. Step 2: Convert to fraction form
    123,865.92/170,935.68 = 67,277.76/x
  3. Step 3: Cross multiply
    123,865.92x = 170,935.68 × 67,277.76
  4. Step 4: Simplify right side
    123,865.92x = 11,500,169,654.48
  5. Step 5: Solve for x
    x = 11,500,169,654.48/123,865.92
  6. Step 6: Final answer
    x = 92,843.69

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1.5x scale

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.