Home / 68,801.40-94,949.76-51,775.02

Finding the Fourth Proportional to 68,801.40, 94,949.76 and 51,775.02

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Solution

The fourth proportional to 68,801.40, 94,949.76 and 51,775.02 is: 71,452.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,801.40 : 94,949.76 = 51,775.02 : x
  2. Step 2: Convert to fraction form
    68,801.40/94,949.76 = 51,775.02/x
  3. Step 3: Cross multiply
    68,801.40x = 94,949.76 × 51,775.02
  4. Step 4: Simplify right side
    68,801.40x = 4,916,025,723.00
  5. Step 5: Solve for x
    x = 4,916,025,723.00/68,801.40
  6. Step 6: Final answer
    x = 71,452.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.