Home / 61,731.09-85,188.83-33,436.89

Finding the Fourth Proportional to 61,731.09, 85,188.83 and 33,436.89

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Solution

The fourth proportional to 61,731.09, 85,188.83 and 33,436.89 is: 46,142.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,731.09 : 85,188.83 = 33,436.89 : x
  2. Step 2: Convert to fraction form
    61,731.09/85,188.83 = 33,436.89/x
  3. Step 3: Cross multiply
    61,731.09x = 85,188.83 × 33,436.89
  4. Step 4: Simplify right side
    61,731.09x = 2,848,449,370.75
  5. Step 5: Solve for x
    x = 2,848,449,370.75/61,731.09
  6. Step 6: Final answer
    x = 46,142.87

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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.