Home / 49,480.98-68,291.05-31,333.36

Finding the Fourth Proportional to 49,480.98, 68,291.05 and 31,333.36

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Solution

The fourth proportional to 49,480.98, 68,291.05 and 31,333.36 is: 43,244.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,480.98 : 68,291.05 = 31,333.36 : x
  2. Step 2: Convert to fraction form
    49,480.98/68,291.05 = 31,333.36/x
  3. Step 3: Cross multiply
    49,480.98x = 68,291.05 × 31,333.36
  4. Step 4: Simplify right side
    49,480.98x = 2,139,787,840.01
  5. Step 5: Solve for x
    x = 2,139,787,840.01/49,480.98
  6. Step 6: Final answer
    x = 43,244.65

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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.