Home / 66,447.10-99,675.45-22,104.70

Finding the Fourth Proportional to 66,447.10, 99,675.45 and 22,104.70

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Solution

The fourth proportional to 66,447.10, 99,675.45 and 22,104.70 is: 33,158.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,447.10 : 99,675.45 = 22,104.70 : x
  2. Step 2: Convert to fraction form
    66,447.10/99,675.45 = 22,104.70/x
  3. Step 3: Cross multiply
    66,447.10x = 99,675.45 × 22,104.70
  4. Step 4: Simplify right side
    66,447.10x = 2,203,295,919.62
  5. Step 5: Solve for x
    x = 2,203,295,919.62/66,447.10
  6. Step 6: Final answer
    x = 33,158.65

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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.