Home / 66,321.03-99,481.56-19,562.97

Finding the Fourth Proportional to 66,321.03, 99,481.56 and 19,562.97

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Solution

The fourth proportional to 66,321.03, 99,481.56 and 19,562.97 is: 29,344.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,321.03 : 99,481.56 = 19,562.97 : x
  2. Step 2: Convert to fraction form
    66,321.03/99,481.56 = 19,562.97/x
  3. Step 3: Cross multiply
    66,321.03x = 99,481.56 × 19,562.97
  4. Step 4: Simplify right side
    66,321.03x = 1,946,154,773.83
  5. Step 5: Solve for x
    x = 1,946,154,773.83/66,321.03
  6. Step 6: Final answer
    x = 29,344.46

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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.