Home / 83,839.82-115,693.80-48,021.62

Finding the Fourth Proportional to 83,839.82, 115,693.80 and 48,021.62

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Solution

The fourth proportional to 83,839.82, 115,693.80 and 48,021.62 is: 66,266.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,839.82 : 115,693.80 = 48,021.62 : x
  2. Step 2: Convert to fraction form
    83,839.82/115,693.80 = 48,021.62/x
  3. Step 3: Cross multiply
    83,839.82x = 115,693.80 × 48,021.62
  4. Step 4: Simplify right side
    83,839.82x = 5,555,803,699.96
  5. Step 5: Solve for x
    x = 5,555,803,699.96/83,839.82
  6. Step 6: Final answer
    x = 66,266.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.