Home / 66,404.43-99,520.38-26,940.02

Finding the Fourth Proportional to 66,404.43, 99,520.38 and 26,940.02

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Solution

The fourth proportional to 66,404.43, 99,520.38 and 26,940.02 is: 40,375.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,404.43 : 99,520.38 = 26,940.02 : x
  2. Step 2: Convert to fraction form
    66,404.43/99,520.38 = 26,940.02/x
  3. Step 3: Cross multiply
    66,404.43x = 99,520.38 × 26,940.02
  4. Step 4: Simplify right side
    66,404.43x = 2,681,080,530.01
  5. Step 5: Solve for x
    x = 2,681,080,530.01/66,404.43
  6. Step 6: Final answer
    x = 40,375.03

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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.