Home / 101,255.58-139,704.63-58,232.73

Finding the Fourth Proportional to 101,255.58, 139,704.63 and 58,232.73

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Solution

The fourth proportional to 101,255.58, 139,704.63 and 58,232.73 is: 80,345.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,255.58 : 139,704.63 = 58,232.73 : x
  2. Step 2: Convert to fraction form
    101,255.58/139,704.63 = 58,232.73/x
  3. Step 3: Cross multiply
    101,255.58x = 139,704.63 × 58,232.73
  4. Step 4: Simplify right side
    101,255.58x = 8,135,381,998.54
  5. Step 5: Solve for x
    x = 8,135,381,998.54/101,255.58
  6. Step 6: Final answer
    x = 80,345.02

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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.