Home / 61,768.36-92,625-19,640.53

Finding the Fourth Proportional to 61,768.36, 92,625 and 19,640.53

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Solution

The fourth proportional to 61,768.36, 92,625 and 19,640.53 is: 29,452.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,768.36 : 92,625 = 19,640.53 : x
  2. Step 2: Convert to fraction form
    61,768.36/92,625 = 19,640.53/x
  3. Step 3: Cross multiply
    61,768.36x = 92,625 × 19,640.53
  4. Step 4: Simplify right side
    61,768.36x = 1,819,204,091.25
  5. Step 5: Solve for x
    x = 1,819,204,091.25/61,768.36
  6. Step 6: Final answer
    x = 29,452.04

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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.