Home / 89,622.92-134,434.40-36,974.56

Finding the Fourth Proportional to 89,622.92, 134,434.40 and 36,974.56

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Solution

The fourth proportional to 89,622.92, 134,434.40 and 36,974.56 is: 55,461.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,622.92 : 134,434.40 = 36,974.56 : x
  2. Step 2: Convert to fraction form
    89,622.92/134,434.40 = 36,974.56/x
  3. Step 3: Cross multiply
    89,622.92x = 134,434.40 × 36,974.56
  4. Step 4: Simplify right side
    89,622.92x = 4,970,652,788.86
  5. Step 5: Solve for x
    x = 4,970,652,788.86/89,622.92
  6. Step 6: Final answer
    x = 55,461.85

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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.