Home / 62,758.20-94,135.38-21,201.72

Finding the Fourth Proportional to 62,758.20, 94,135.38 and 21,201.72

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Solution

The fourth proportional to 62,758.20, 94,135.38 and 21,201.72 is: 31,801.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,758.20 : 94,135.38 = 21,201.72 : x
  2. Step 2: Convert to fraction form
    62,758.20/94,135.38 = 21,201.72/x
  3. Step 3: Cross multiply
    62,758.20x = 94,135.38 × 21,201.72
  4. Step 4: Simplify right side
    62,758.20x = 1,995,831,968.85
  5. Step 5: Solve for x
    x = 1,995,831,968.85/62,758.20
  6. Step 6: Final answer
    x = 31,801.93

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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.