Home / 66,916.98-92,346.21-41,781.06

Finding the Fourth Proportional to 66,916.98, 92,346.21 and 41,781.06

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Solution

The fourth proportional to 66,916.98, 92,346.21 and 41,781.06 is: 57,658.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,916.98 : 92,346.21 = 41,781.06 : x
  2. Step 2: Convert to fraction form
    66,916.98/92,346.21 = 41,781.06/x
  3. Step 3: Cross multiply
    66,916.98x = 92,346.21 × 41,781.06
  4. Step 4: Simplify right side
    66,916.98x = 3,858,322,540.78
  5. Step 5: Solve for x
    x = 3,858,322,540.78/66,916.98
  6. Step 6: Final answer
    x = 57,658.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.