Home / 66,505.52-99,770.44-22,128.06

Finding the Fourth Proportional to 66,505.52, 99,770.44 and 22,128.06

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Solution

The fourth proportional to 66,505.52, 99,770.44 and 22,128.06 is: 33,196.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,505.52 : 99,770.44 = 22,128.06 : x
  2. Step 2: Convert to fraction form
    66,505.52/99,770.44 = 22,128.06/x
  3. Step 3: Cross multiply
    66,505.52x = 99,770.44 × 22,128.06
  4. Step 4: Simplify right side
    66,505.52x = 2,207,726,282.55
  5. Step 5: Solve for x
    x = 2,207,726,282.55/66,505.52
  6. Step 6: Final answer
    x = 33,196.14

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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.