Home / 61,853.09-85,357.27-33,558.78

Finding the Fourth Proportional to 61,853.09, 85,357.27 and 33,558.78

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Solution

The fourth proportional to 61,853.09, 85,357.27 and 33,558.78 is: 46,311.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,853.09 : 85,357.27 = 33,558.78 : x
  2. Step 2: Convert to fraction form
    61,853.09/85,357.27 = 33,558.78/x
  3. Step 3: Cross multiply
    61,853.09x = 85,357.27 × 33,558.78
  4. Step 4: Simplify right side
    61,853.09x = 2,864,485,845.33
  5. Step 5: Solve for x
    x = 2,864,485,845.33/61,853.09
  6. Step 6: Final answer
    x = 46,311.12

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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.