Home / 123,617.28-170,590.16-67,027.44

Finding the Fourth Proportional to 123,617.28, 170,590.16 and 67,027.44

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Solution

The fourth proportional to 123,617.28, 170,590.16 and 67,027.44 is: 92,496.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,617.28 : 170,590.16 = 67,027.44 : x
  2. Step 2: Convert to fraction form
    123,617.28/170,590.16 = 67,027.44/x
  3. Step 3: Cross multiply
    123,617.28x = 170,590.16 × 67,027.44
  4. Step 4: Simplify right side
    123,617.28x = 11,434,221,713.99
  5. Step 5: Solve for x
    x = 11,434,221,713.99/123,617.28
  6. Step 6: Final answer
    x = 92,496.95

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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.