Home / 89,811.45-134,644.10-33,620.04

Finding the Fourth Proportional to 89,811.45, 134,644.10 and 33,620.04

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Solution

The fourth proportional to 89,811.45, 134,644.10 and 33,620.04 is: 50,402.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,811.45 : 134,644.10 = 33,620.04 : x
  2. Step 2: Convert to fraction form
    89,811.45/134,644.10 = 33,620.04/x
  3. Step 3: Cross multiply
    89,811.45x = 134,644.10 × 33,620.04
  4. Step 4: Simplify right side
    89,811.45x = 4,526,739,859.66
  5. Step 5: Solve for x
    x = 4,526,739,859.66/89,811.45
  6. Step 6: Final answer
    x = 50,402.70

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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.