Home / 123,452.06-170,363.85-66,863.44

Finding the Fourth Proportional to 123,452.06, 170,363.85 and 66,863.44

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Solution

The fourth proportional to 123,452.06, 170,363.85 and 66,863.44 is: 92,271.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,452.06 : 170,363.85 = 66,863.44 : x
  2. Step 2: Convert to fraction form
    123,452.06/170,363.85 = 66,863.44/x
  3. Step 3: Cross multiply
    123,452.06x = 170,363.85 × 66,863.44
  4. Step 4: Simplify right side
    123,452.06x = 11,391,113,062.64
  5. Step 5: Solve for x
    x = 11,391,113,062.64/123,452.06
  6. Step 6: Final answer
    x = 92,271.55

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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.