Home / 66,104.26-99,158.21-19,357.14

Finding the Fourth Proportional to 66,104.26, 99,158.21 and 19,357.14

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Solution

The fourth proportional to 66,104.26, 99,158.21 and 19,357.14 is: 29,036.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,104.26 : 99,158.21 = 19,357.14 : x
  2. Step 2: Convert to fraction form
    66,104.26/99,158.21 = 19,357.14/x
  3. Step 3: Cross multiply
    66,104.26x = 99,158.21 × 19,357.14
  4. Step 4: Simplify right side
    66,104.26x = 1,919,419,353.12
  5. Step 5: Solve for x
    x = 1,919,419,353.12/66,104.26
  6. Step 6: Final answer
    x = 29,036.24

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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.