Home / 49,418.67-68,129.98-31,260.36

Finding the Fourth Proportional to 49,418.67, 68,129.98 and 31,260.36

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Solution

The fourth proportional to 49,418.67, 68,129.98 and 31,260.36 is: 43,096.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,418.67 : 68,129.98 = 31,260.36 : x
  2. Step 2: Convert to fraction form
    49,418.67/68,129.98 = 31,260.36/x
  3. Step 3: Cross multiply
    49,418.67x = 68,129.98 × 31,260.36
  4. Step 4: Simplify right side
    49,418.67x = 2,129,767,701.59
  5. Step 5: Solve for x
    x = 2,129,767,701.59/49,418.67
  6. Step 6: Final answer
    x = 43,096.42

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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.