Home / 49,559.06-68,374.85-31,664.54

Finding the Fourth Proportional to 49,559.06, 68,374.85 and 31,664.54

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Solution

The fourth proportional to 49,559.06, 68,374.85 and 31,664.54 is: 43,686.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,559.06 : 68,374.85 = 31,664.54 : x
  2. Step 2: Convert to fraction form
    49,559.06/68,374.85 = 31,664.54/x
  3. Step 3: Cross multiply
    49,559.06x = 68,374.85 × 31,664.54
  4. Step 4: Simplify right side
    49,559.06x = 2,165,058,172.82
  5. Step 5: Solve for x
    x = 2,165,058,172.82/49,559.06
  6. Step 6: Final answer
    x = 43,686.43

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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.