Home / 89,288.55-133,932.69-36,660.96

Finding the Fourth Proportional to 89,288.55, 133,932.69 and 36,660.96

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Solution

The fourth proportional to 89,288.55, 133,932.69 and 36,660.96 is: 54,991.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,288.55 : 133,932.69 = 36,660.96 : x
  2. Step 2: Convert to fraction form
    89,288.55/133,932.69 = 36,660.96/x
  3. Step 3: Cross multiply
    89,288.55x = 133,932.69 × 36,660.96
  4. Step 4: Simplify right side
    89,288.55x = 4,910,100,990.78
  5. Step 5: Solve for x
    x = 4,910,100,990.78/89,288.55
  6. Step 6: Final answer
    x = 54,991.38

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1.5x scale

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.