Home / 72,186.27-108,227.97-27,775.59

Finding the Fourth Proportional to 72,186.27, 108,227.97 and 27,775.59

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Solution

The fourth proportional to 72,186.27, 108,227.97 and 27,775.59 is: 41,643.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,186.27 : 108,227.97 = 27,775.59 : x
  2. Step 2: Convert to fraction form
    72,186.27/108,227.97 = 27,775.59/x
  3. Step 3: Cross multiply
    72,186.27x = 108,227.97 × 27,775.59
  4. Step 4: Simplify right side
    72,186.27x = 3,006,095,721.25
  5. Step 5: Solve for x
    x = 3,006,095,721.25/72,186.27
  6. Step 6: Final answer
    x = 41,643.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.