Home / 113,991.36-171,006.72-50,833.92

Finding the Fourth Proportional to 113,991.36, 171,006.72 and 50,833.92

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Solution

The fourth proportional to 113,991.36, 171,006.72 and 50,833.92 is: 76,259.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,991.36 : 171,006.72 = 50,833.92 : x
  2. Step 2: Convert to fraction form
    113,991.36/171,006.72 = 50,833.92/x
  3. Step 3: Cross multiply
    113,991.36x = 171,006.72 × 50,833.92
  4. Step 4: Simplify right side
    113,991.36x = 8,692,941,923.94
  5. Step 5: Solve for x
    x = 8,692,941,923.94/113,991.36
  6. Step 6: Final answer
    x = 76,259.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.