Home / 89,680.36-134,540.34-27,355.72

Finding the Fourth Proportional to 89,680.36, 134,540.34 and 27,355.72

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Solution

The fourth proportional to 89,680.36, 134,540.34 and 27,355.72 is: 41,039.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,680.36 : 134,540.34 = 27,355.72 : x
  2. Step 2: Convert to fraction form
    89,680.36/134,540.34 = 27,355.72/x
  3. Step 3: Cross multiply
    89,680.36x = 134,540.34 × 27,355.72
  4. Step 4: Simplify right side
    89,680.36x = 3,680,447,869.74
  5. Step 5: Solve for x
    x = 3,680,447,869.74/89,680.36
  6. Step 6: Final answer
    x = 41,039.62

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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.