Home / 66,192.24-99,290.04-19,446.60

Finding the Fourth Proportional to 66,192.24, 99,290.04 and 19,446.60

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Solution

The fourth proportional to 66,192.24, 99,290.04 and 19,446.60 is: 29,170.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,192.24 : 99,290.04 = 19,446.60 : x
  2. Step 2: Convert to fraction form
    66,192.24/99,290.04 = 19,446.60/x
  3. Step 3: Cross multiply
    66,192.24x = 99,290.04 × 19,446.60
  4. Step 4: Simplify right side
    66,192.24x = 1,930,853,691.86
  5. Step 5: Solve for x
    x = 1,930,853,691.86/66,192.24
  6. Step 6: Final answer
    x = 29,170.39

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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.