Home / 66,169.38-99,254.07-19,422.25

Finding the Fourth Proportional to 66,169.38, 99,254.07 and 19,422.25

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Solution

The fourth proportional to 66,169.38, 99,254.07 and 19,422.25 is: 29,133.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,169.38 : 99,254.07 = 19,422.25 : x
  2. Step 2: Convert to fraction form
    66,169.38/99,254.07 = 19,422.25/x
  3. Step 3: Cross multiply
    66,169.38x = 99,254.07 × 19,422.25
  4. Step 4: Simplify right side
    66,169.38x = 1,927,737,361.06
  5. Step 5: Solve for x
    x = 1,927,737,361.06/66,169.38
  6. Step 6: Final answer
    x = 29,133.38

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Similar ratio
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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.