Home / 99,661.06-149,516.85-33,101.54

Finding the Fourth Proportional to 99,661.06, 149,516.85 and 33,101.54

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Solution

The fourth proportional to 99,661.06, 149,516.85 and 33,101.54 is: 49,660.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,661.06 : 149,516.85 = 33,101.54 : x
  2. Step 2: Convert to fraction form
    99,661.06/149,516.85 = 33,101.54/x
  3. Step 3: Cross multiply
    99,661.06x = 149,516.85 × 33,101.54
  4. Step 4: Simplify right side
    99,661.06x = 4,949,237,990.95
  5. Step 5: Solve for x
    x = 4,949,237,990.95/99,661.06
  6. Step 6: Final answer
    x = 49,660.70

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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.