Home / 99,550.54-149,321.45-32,081.07

Finding the Fourth Proportional to 99,550.54, 149,321.45 and 32,081.07

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Solution

The fourth proportional to 99,550.54, 149,321.45 and 32,081.07 is: 48,120.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,550.54 : 149,321.45 = 32,081.07 : x
  2. Step 2: Convert to fraction form
    99,550.54/149,321.45 = 32,081.07/x
  3. Step 3: Cross multiply
    99,550.54x = 149,321.45 × 32,081.07
  4. Step 4: Simplify right side
    99,550.54x = 4,790,391,889.95
  5. Step 5: Solve for x
    x = 4,790,391,889.95/99,550.54
  6. Step 6: Final answer
    x = 48,120.20

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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.