Home / 101,944.85-152,917.27-31,830.17

Finding the Fourth Proportional to 101,944.85, 152,917.27 and 31,830.17

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Solution

The fourth proportional to 101,944.85, 152,917.27 and 31,830.17 is: 47,745.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,944.85 : 152,917.27 = 31,830.17 : x
  2. Step 2: Convert to fraction form
    101,944.85/152,917.27 = 31,830.17/x
  3. Step 3: Cross multiply
    101,944.85x = 152,917.27 × 31,830.17
  4. Step 4: Simplify right side
    101,944.85x = 4,867,381,855.87
  5. Step 5: Solve for x
    x = 4,867,381,855.87/101,944.85
  6. Step 6: Final answer
    x = 47,745.25

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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.