Home / 61,255.12-91,896.76-21,814.48

Finding the Fourth Proportional to 61,255.12, 91,896.76 and 21,814.48

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Solution

The fourth proportional to 61,255.12, 91,896.76 and 21,814.48 is: 32,726.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,255.12 : 91,896.76 = 21,814.48 : x
  2. Step 2: Convert to fraction form
    61,255.12/91,896.76 = 21,814.48/x
  3. Step 3: Cross multiply
    61,255.12x = 91,896.76 × 21,814.48
  4. Step 4: Simplify right side
    61,255.12x = 2,004,680,033.08
  5. Step 5: Solve for x
    x = 2,004,680,033.08/61,255.12
  6. Step 6: Final answer
    x = 32,726.73

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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.