Home / 123,949.08-171,049.74-67,360.28

Finding the Fourth Proportional to 123,949.08, 171,049.74 and 67,360.28

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Solution

The fourth proportional to 123,949.08, 171,049.74 and 67,360.28 is: 92,957.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,949.08 : 171,049.74 = 67,360.28 : x
  2. Step 2: Convert to fraction form
    123,949.08/171,049.74 = 67,360.28/x
  3. Step 3: Cross multiply
    123,949.08x = 171,049.74 × 67,360.28
  4. Step 4: Simplify right side
    123,949.08x = 11,521,958,380.33
  5. Step 5: Solve for x
    x = 11,521,958,380.33/123,949.08
  6. Step 6: Final answer
    x = 92,957.19

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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.