Home / 62,839.72-94,239.60-20,711.95

Finding the Fourth Proportional to 62,839.72, 94,239.60 and 20,711.95

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Solution

The fourth proportional to 62,839.72, 94,239.60 and 20,711.95 is: 31,061.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,839.72 : 94,239.60 = 20,711.95 : x
  2. Step 2: Convert to fraction form
    62,839.72/94,239.60 = 20,711.95/x
  3. Step 3: Cross multiply
    62,839.72x = 94,239.60 × 20,711.95
  4. Step 4: Simplify right side
    62,839.72x = 1,951,885,883.22
  5. Step 5: Solve for x
    x = 1,951,885,883.22/62,839.72
  6. Step 6: Final answer
    x = 31,061.34

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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.