Home / 72,193.38-108,248.50-27,814.39

Finding the Fourth Proportional to 72,193.38, 108,248.50 and 27,814.39

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Solution

The fourth proportional to 72,193.38, 108,248.50 and 27,814.39 is: 41,705.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,193.38 : 108,248.50 = 27,814.39 : x
  2. Step 2: Convert to fraction form
    72,193.38/108,248.50 = 27,814.39/x
  3. Step 3: Cross multiply
    72,193.38x = 108,248.50 × 27,814.39
  4. Step 4: Simplify right side
    72,193.38x = 3,010,865,760.06
  5. Step 5: Solve for x
    x = 3,010,865,760.06/72,193.38
  6. Step 6: Final answer
    x = 41,705.57

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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.