Home / 123,922.19-171,013.66-67,333.56

Finding the Fourth Proportional to 123,922.19, 171,013.66 and 67,333.56

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Solution

The fourth proportional to 123,922.19, 171,013.66 and 67,333.56 is: 92,920.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,922.19 : 171,013.66 = 67,333.56 : x
  2. Step 2: Convert to fraction form
    123,922.19/171,013.66 = 67,333.56/x
  3. Step 3: Cross multiply
    123,922.19x = 171,013.66 × 67,333.56
  4. Step 4: Simplify right side
    123,922.19x = 11,514,958,368.10
  5. Step 5: Solve for x
    x = 11,514,958,368.10/123,922.19
  6. Step 6: Final answer
    x = 92,920.88

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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.