Home / 62,749.44-94,121.28-21,196.80

Finding the Fourth Proportional to 62,749.44, 94,121.28 and 21,196.80

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Solution

The fourth proportional to 62,749.44, 94,121.28 and 21,196.80 is: 31,794.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,749.44 : 94,121.28 = 21,196.80 : x
  2. Step 2: Convert to fraction form
    62,749.44/94,121.28 = 21,196.80/x
  3. Step 3: Cross multiply
    62,749.44x = 94,121.28 × 21,196.80
  4. Step 4: Simplify right side
    62,749.44x = 1,995,069,947.90
  5. Step 5: Solve for x
    x = 1,995,069,947.90/62,749.44
  6. Step 6: Final answer
    x = 31,794.23

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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.