Home / 66,226.33-99,344.37-19,481.23

Finding the Fourth Proportional to 66,226.33, 99,344.37 and 19,481.23

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Solution

The fourth proportional to 66,226.33, 99,344.37 and 19,481.23 is: 29,223.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,226.33 : 99,344.37 = 19,481.23 : x
  2. Step 2: Convert to fraction form
    66,226.33/99,344.37 = 19,481.23/x
  3. Step 3: Cross multiply
    66,226.33x = 99,344.37 × 19,481.23
  4. Step 4: Simplify right side
    66,226.33x = 1,935,350,521.18
  5. Step 5: Solve for x
    x = 1,935,350,521.18/66,226.33
  6. Step 6: Final answer
    x = 29,223.28

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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.