Home / 66,396.17-99,579.07-19,010.36

Finding the Fourth Proportional to 66,396.17, 99,579.07 and 19,010.36

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Solution

The fourth proportional to 66,396.17, 99,579.07 and 19,010.36 is: 28,511.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,396.17 : 99,579.07 = 19,010.36 : x
  2. Step 2: Convert to fraction form
    66,396.17/99,579.07 = 19,010.36/x
  3. Step 3: Cross multiply
    66,396.17x = 99,579.07 × 19,010.36
  4. Step 4: Simplify right side
    66,396.17x = 1,893,034,241.88
  5. Step 5: Solve for x
    x = 1,893,034,241.88/66,396.17
  6. Step 6: Final answer
    x = 28,511.20

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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.