Home / 61,921.12-85,450.38-33,627

Finding the Fourth Proportional to 61,921.12, 85,450.38 and 33,627

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Solution

The fourth proportional to 61,921.12, 85,450.38 and 33,627 is: 46,404.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,921.12 : 85,450.38 = 33,627 : x
  2. Step 2: Convert to fraction form
    61,921.12/85,450.38 = 33,627/x
  3. Step 3: Cross multiply
    61,921.12x = 85,450.38 × 33,627
  4. Step 4: Simplify right side
    61,921.12x = 2,873,439,928.26
  5. Step 5: Solve for x
    x = 2,873,439,928.26/61,921.12
  6. Step 6: Final answer
    x = 46,404.84

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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.