Home / 123,562.96-170,516.22-66,974.20

Finding the Fourth Proportional to 123,562.96, 170,516.22 and 66,974.20

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Solution

The fourth proportional to 123,562.96, 170,516.22 and 66,974.20 is: 92,424.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,562.96 : 170,516.22 = 66,974.20 : x
  2. Step 2: Convert to fraction form
    123,562.96/170,516.22 = 66,974.20/x
  3. Step 3: Cross multiply
    123,562.96x = 170,516.22 × 66,974.20
  4. Step 4: Simplify right side
    123,562.96x = 11,420,187,421.52
  5. Step 5: Solve for x
    x = 11,420,187,421.52/123,562.96
  6. Step 6: Final answer
    x = 92,424.04

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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.