Home / 66,516.06-99,793.13-22,171.80

Finding the Fourth Proportional to 66,516.06, 99,793.13 and 22,171.80

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Solution

The fourth proportional to 66,516.06, 99,793.13 and 22,171.80 is: 33,264.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,516.06 : 99,793.13 = 22,171.80 : x
  2. Step 2: Convert to fraction form
    66,516.06/99,793.13 = 22,171.80/x
  3. Step 3: Cross multiply
    66,516.06x = 99,793.13 × 22,171.80
  4. Step 4: Simplify right side
    66,516.06x = 2,212,593,319.73
  5. Step 5: Solve for x
    x = 2,212,593,319.73/66,516.06
  6. Step 6: Final answer
    x = 33,264.05

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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.