Home / 89,279.55-133,919.19-36,651.96

Finding the Fourth Proportional to 89,279.55, 133,919.19 and 36,651.96

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Solution

The fourth proportional to 89,279.55, 133,919.19 and 36,651.96 is: 54,977.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,279.55 : 133,919.19 = 36,651.96 : x
  2. Step 2: Convert to fraction form
    89,279.55/133,919.19 = 36,651.96/x
  3. Step 3: Cross multiply
    89,279.55x = 133,919.19 × 36,651.96
  4. Step 4: Simplify right side
    89,279.55x = 4,908,400,795.11
  5. Step 5: Solve for x
    x = 4,908,400,795.11/89,279.55
  6. Step 6: Final answer
    x = 54,977.88

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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.