Home / 123,249.74-170,084.13-69,534.77

Finding the Fourth Proportional to 123,249.74, 170,084.13 and 69,534.77

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Solution

The fourth proportional to 123,249.74, 170,084.13 and 69,534.77 is: 95,957.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,249.74 : 170,084.13 = 69,534.77 : x
  2. Step 2: Convert to fraction form
    123,249.74/170,084.13 = 69,534.77/x
  3. Step 3: Cross multiply
    123,249.74x = 170,084.13 × 69,534.77
  4. Step 4: Simplify right side
    123,249.74x = 11,826,760,860.20
  5. Step 5: Solve for x
    x = 11,826,760,860.20/123,249.74
  6. Step 6: Final answer
    x = 95,957.69

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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.