Home / 123,422.50-170,323.14-66,833.92

Finding the Fourth Proportional to 123,422.50, 170,323.14 and 66,833.92

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Solution

The fourth proportional to 123,422.50, 170,323.14 and 66,833.92 is: 92,230.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,422.50 : 170,323.14 = 66,833.92 : x
  2. Step 2: Convert to fraction form
    123,422.50/170,323.14 = 66,833.92/x
  3. Step 3: Cross multiply
    123,422.50x = 170,323.14 × 66,833.92
  4. Step 4: Simplify right side
    123,422.50x = 11,383,363,112.91
  5. Step 5: Solve for x
    x = 11,383,363,112.91/123,422.50
  6. Step 6: Final answer
    x = 92,230.86

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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.