Home / 89,516.34-134,278.16-36,920.81

Finding the Fourth Proportional to 89,516.34, 134,278.16 and 36,920.81

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Solution

The fourth proportional to 89,516.34, 134,278.16 and 36,920.81 is: 55,382.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,516.34 : 134,278.16 = 36,920.81 : x
  2. Step 2: Convert to fraction form
    89,516.34/134,278.16 = 36,920.81/x
  3. Step 3: Cross multiply
    89,516.34x = 134,278.16 × 36,920.81
  4. Step 4: Simplify right side
    89,516.34x = 4,957,658,583.60
  5. Step 5: Solve for x
    x = 4,957,658,583.60/89,516.34
  6. Step 6: Final answer
    x = 55,382.72

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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.