Home / 123,733.73-170,753.00-67,145.09

Finding the Fourth Proportional to 123,733.73, 170,753.00 and 67,145.09

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Solution

The fourth proportional to 123,733.73, 170,753.00 and 67,145.09 is: 92,660.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,733.73 : 170,753.00 = 67,145.09 : x
  2. Step 2: Convert to fraction form
    123,733.73/170,753.00 = 67,145.09/x
  3. Step 3: Cross multiply
    123,733.73x = 170,753.00 × 67,145.09
  4. Step 4: Simplify right side
    123,733.73x = 11,465,225,217.04
  5. Step 5: Solve for x
    x = 11,465,225,217.04/123,733.73
  6. Step 6: Final answer
    x = 92,660.47

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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.