Home / 68,161.08-94,061.39-39,484.65

Finding the Fourth Proportional to 68,161.08, 94,061.39 and 39,484.65

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Solution

The fourth proportional to 68,161.08, 94,061.39 and 39,484.65 is: 54,488.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,161.08 : 94,061.39 = 39,484.65 : x
  2. Step 2: Convert to fraction form
    68,161.08/94,061.39 = 39,484.65/x
  3. Step 3: Cross multiply
    68,161.08x = 94,061.39 × 39,484.65
  4. Step 4: Simplify right side
    68,161.08x = 3,713,981,062.66
  5. Step 5: Solve for x
    x = 3,713,981,062.66/68,161.08
  6. Step 6: Final answer
    x = 54,488.30

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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.