Home / 66,408.11-99,597.94-19,010.48

Finding the Fourth Proportional to 66,408.11, 99,597.94 and 19,010.48

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Solution

The fourth proportional to 66,408.11, 99,597.94 and 19,010.48 is: 28,511.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,408.11 : 99,597.94 = 19,010.48 : x
  2. Step 2: Convert to fraction form
    66,408.11/99,597.94 = 19,010.48/x
  3. Step 3: Cross multiply
    66,408.11x = 99,597.94 × 19,010.48
  4. Step 4: Simplify right side
    66,408.11x = 1,893,404,100.90
  5. Step 5: Solve for x
    x = 1,893,404,100.90/66,408.11
  6. Step 6: Final answer
    x = 28,511.64

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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.