Home / 66,506.52-99,771.94-22,129.06

Finding the Fourth Proportional to 66,506.52, 99,771.94 and 22,129.06

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Solution

The fourth proportional to 66,506.52, 99,771.94 and 22,129.06 is: 33,197.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,506.52 : 99,771.94 = 22,129.06 : x
  2. Step 2: Convert to fraction form
    66,506.52/99,771.94 = 22,129.06/x
  3. Step 3: Cross multiply
    66,506.52x = 99,771.94 × 22,129.06
  4. Step 4: Simplify right side
    66,506.52x = 2,207,859,246.58
  5. Step 5: Solve for x
    x = 2,207,859,246.58/66,506.52
  6. Step 6: Final answer
    x = 33,197.64

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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.