Home / 89,427-134,161.23-26,244.54

Finding the Fourth Proportional to 89,427, 134,161.23 and 26,244.54

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Solution

The fourth proportional to 89,427, 134,161.23 and 26,244.54 is: 39,372.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,427 : 134,161.23 = 26,244.54 : x
  2. Step 2: Convert to fraction form
    89,427/134,161.23 = 26,244.54/x
  3. Step 3: Cross multiply
    89,427x = 134,161.23 × 26,244.54
  4. Step 4: Simplify right side
    89,427x = 3,520,999,767.18
  5. Step 5: Solve for x
    x = 3,520,999,767.18/89,427
  6. Step 6: Final answer
    x = 39,372.89

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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.