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Finding the Fourth Proportional to 82,599.75, 113,987.66 and 44,874

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Solution

The fourth proportional to 82,599.75, 113,987.66 and 44,874 is: 61,926.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,599.75 : 113,987.66 = 44,874 : x
  2. Step 2: Convert to fraction form
    82,599.75/113,987.66 = 44,874/x
  3. Step 3: Cross multiply
    82,599.75x = 113,987.66 × 44,874
  4. Step 4: Simplify right side
    82,599.75x = 5,115,082,030.47
  5. Step 5: Solve for x
    x = 5,115,082,030.47/82,599.75
  6. Step 6: Final answer
    x = 61,926.12

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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.