Home / 49,564.12-68,402.56-28,347.48

Finding the Fourth Proportional to 49,564.12, 68,402.56 and 28,347.48

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Solution

The fourth proportional to 49,564.12, 68,402.56 and 28,347.48 is: 39,121.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,564.12 : 68,402.56 = 28,347.48 : x
  2. Step 2: Convert to fraction form
    49,564.12/68,402.56 = 28,347.48/x
  3. Step 3: Cross multiply
    49,564.12x = 68,402.56 × 28,347.48
  4. Step 4: Simplify right side
    49,564.12x = 1,939,040,201.55
  5. Step 5: Solve for x
    x = 1,939,040,201.55/49,564.12
  6. Step 6: Final answer
    x = 39,121.85

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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.