Home / 89,639.85-134,481.75-27,310.35

Finding the Fourth Proportional to 89,639.85, 134,481.75 and 27,310.35

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Solution

The fourth proportional to 89,639.85, 134,481.75 and 27,310.35 is: 40,972.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,639.85 : 134,481.75 = 27,310.35 : x
  2. Step 2: Convert to fraction form
    89,639.85/134,481.75 = 27,310.35/x
  3. Step 3: Cross multiply
    89,639.85x = 134,481.75 × 27,310.35
  4. Step 4: Simplify right side
    89,639.85x = 3,672,743,661.11
  5. Step 5: Solve for x
    x = 3,672,743,661.11/89,639.85
  6. Step 6: Final answer
    x = 40,972.22

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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.