Home / 66,561.44-99,816.72-22,179.68

Finding the Fourth Proportional to 66,561.44, 99,816.72 and 22,179.68

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Solution

The fourth proportional to 66,561.44, 99,816.72 and 22,179.68 is: 33,261.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,561.44 : 99,816.72 = 22,179.68 : x
  2. Step 2: Convert to fraction form
    66,561.44/99,816.72 = 22,179.68/x
  3. Step 3: Cross multiply
    66,561.44x = 99,816.72 × 22,179.68
  4. Step 4: Simplify right side
    66,561.44x = 2,213,902,908.25
  5. Step 5: Solve for x
    x = 2,213,902,908.25/66,561.44
  6. Step 6: Final answer
    x = 33,261.04

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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.