Home / 62,754.44-94,128.78-21,201.80

Finding the Fourth Proportional to 62,754.44, 94,128.78 and 21,201.80

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Solution

The fourth proportional to 62,754.44, 94,128.78 and 21,201.80 is: 31,801.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,754.44 : 94,128.78 = 21,201.80 : x
  2. Step 2: Convert to fraction form
    62,754.44/94,128.78 = 21,201.80/x
  3. Step 3: Cross multiply
    62,754.44x = 94,128.78 × 21,201.80
  4. Step 4: Simplify right side
    62,754.44x = 1,995,699,567.80
  5. Step 5: Solve for x
    x = 1,995,699,567.80/62,754.44
  6. Step 6: Final answer
    x = 31,801.73

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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.