Home / 49,584.78-68,420.10-29,167.76

Finding the Fourth Proportional to 49,584.78, 68,420.10 and 29,167.76

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Solution

The fourth proportional to 49,584.78, 68,420.10 and 29,167.76 is: 40,247.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,584.78 : 68,420.10 = 29,167.76 : x
  2. Step 2: Convert to fraction form
    49,584.78/68,420.10 = 29,167.76/x
  3. Step 3: Cross multiply
    49,584.78x = 68,420.10 × 29,167.76
  4. Step 4: Simplify right side
    49,584.78x = 1,995,661,055.98
  5. Step 5: Solve for x
    x = 1,995,661,055.98/49,584.78
  6. Step 6: Final answer
    x = 40,247.45

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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.