Home / 83,239.54-124,539.82-47,717.89

Finding the Fourth Proportional to 83,239.54, 124,539.82 and 47,717.89

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Solution

The fourth proportional to 83,239.54, 124,539.82 and 47,717.89 is: 71,393.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,239.54 : 124,539.82 = 47,717.89 : x
  2. Step 2: Convert to fraction form
    83,239.54/124,539.82 = 47,717.89/x
  3. Step 3: Cross multiply
    83,239.54x = 124,539.82 × 47,717.89
  4. Step 4: Simplify right side
    83,239.54x = 5,942,777,431.38
  5. Step 5: Solve for x
    x = 5,942,777,431.38/83,239.54
  6. Step 6: Final answer
    x = 71,393.68

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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.