Home / 89,616.24-134,346.60-45,205.92

Finding the Fourth Proportional to 89,616.24, 134,346.60 and 45,205.92

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Solution

The fourth proportional to 89,616.24, 134,346.60 and 45,205.92 is: 67,769.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,616.24 : 134,346.60 = 45,205.92 : x
  2. Step 2: Convert to fraction form
    89,616.24/134,346.60 = 45,205.92/x
  3. Step 3: Cross multiply
    89,616.24x = 134,346.60 × 45,205.92
  4. Step 4: Simplify right side
    89,616.24x = 6,073,261,651.87
  5. Step 5: Solve for x
    x = 6,073,261,651.87/89,616.24
  6. Step 6: Final answer
    x = 67,769.65

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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.