Home / 123,677.24-170,674.65-69,961.12

Finding the Fourth Proportional to 123,677.24, 170,674.65 and 69,961.12

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Solution

The fourth proportional to 123,677.24, 170,674.65 and 69,961.12 is: 96,546.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,677.24 : 170,674.65 = 69,961.12 : x
  2. Step 2: Convert to fraction form
    123,677.24/170,674.65 = 69,961.12/x
  3. Step 3: Cross multiply
    123,677.24x = 170,674.65 × 69,961.12
  4. Step 4: Simplify right side
    123,677.24x = 11,940,589,242.92
  5. Step 5: Solve for x
    x = 11,940,589,242.92/123,677.24
  6. Step 6: Final answer
    x = 96,546.37

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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.