Home / 89,638.92-134,458.38-30,517.02

Finding the Fourth Proportional to 89,638.92, 134,458.38 and 30,517.02

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Solution

The fourth proportional to 89,638.92, 134,458.38 and 30,517.02 is: 45,775.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,638.92 : 134,458.38 = 30,517.02 : x
  2. Step 2: Convert to fraction form
    89,638.92/134,458.38 = 30,517.02/x
  3. Step 3: Cross multiply
    89,638.92x = 134,458.38 × 30,517.02
  4. Step 4: Simplify right side
    89,638.92x = 4,103,269,071.63
  5. Step 5: Solve for x
    x = 4,103,269,071.63/89,638.92
  6. Step 6: Final answer
    x = 45,775.53

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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.