Home / 69,618.12-96,049.71-39,400.26

Finding the Fourth Proportional to 69,618.12, 96,049.71 and 39,400.26

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Solution

The fourth proportional to 69,618.12, 96,049.71 and 39,400.26 is: 54,359.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,618.12 : 96,049.71 = 39,400.26 : x
  2. Step 2: Convert to fraction form
    69,618.12/96,049.71 = 39,400.26/x
  3. Step 3: Cross multiply
    69,618.12x = 96,049.71 × 39,400.26
  4. Step 4: Simplify right side
    69,618.12x = 3,784,383,546.92
  5. Step 5: Solve for x
    x = 3,784,383,546.92/69,618.12
  6. Step 6: Final answer
    x = 54,359.17

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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.