Home / 62,781.62-94,186.32-20,674.68

Finding the Fourth Proportional to 62,781.62, 94,186.32 and 20,674.68

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Solution

The fourth proportional to 62,781.62, 94,186.32 and 20,674.68 is: 31,016.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,781.62 : 94,186.32 = 20,674.68 : x
  2. Step 2: Convert to fraction form
    62,781.62/94,186.32 = 20,674.68/x
  3. Step 3: Cross multiply
    62,781.62x = 94,186.32 × 20,674.68
  4. Step 4: Simplify right side
    62,781.62x = 1,947,272,026.38
  5. Step 5: Solve for x
    x = 1,947,272,026.38/62,781.62
  6. Step 6: Final answer
    x = 31,016.59

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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.