Home / 89,517.34-134,279.66-36,921.81

Finding the Fourth Proportional to 89,517.34, 134,279.66 and 36,921.81

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Solution

The fourth proportional to 89,517.34, 134,279.66 and 36,921.81 is: 55,384.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,517.34 : 134,279.66 = 36,921.81 : x
  2. Step 2: Convert to fraction form
    89,517.34/134,279.66 = 36,921.81/x
  3. Step 3: Cross multiply
    89,517.34x = 134,279.66 × 36,921.81
  4. Step 4: Simplify right side
    89,517.34x = 4,957,848,093.38
  5. Step 5: Solve for x
    x = 4,957,848,093.38/89,517.34
  6. Step 6: Final answer
    x = 55,384.22

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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.