Home / 61,917.36-85,516.20-41,739.56

Finding the Fourth Proportional to 61,917.36, 85,516.20 and 41,739.56

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Solution

The fourth proportional to 61,917.36, 85,516.20 and 41,739.56 is: 57,647.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,917.36 : 85,516.20 = 41,739.56 : x
  2. Step 2: Convert to fraction form
    61,917.36/85,516.20 = 41,739.56/x
  3. Step 3: Cross multiply
    61,917.36x = 85,516.20 × 41,739.56
  4. Step 4: Simplify right side
    61,917.36x = 3,569,408,560.87
  5. Step 5: Solve for x
    x = 3,569,408,560.87/61,917.36
  6. Step 6: Final answer
    x = 57,647.94

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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.