Home / 82,603.21-123,944.49-45,161.77

Finding the Fourth Proportional to 82,603.21, 123,944.49 and 45,161.77

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Solution

The fourth proportional to 82,603.21, 123,944.49 and 45,161.77 is: 67,764.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,603.21 : 123,944.49 = 45,161.77 : x
  2. Step 2: Convert to fraction form
    82,603.21/123,944.49 = 45,161.77/x
  3. Step 3: Cross multiply
    82,603.21x = 123,944.49 × 45,161.77
  4. Step 4: Simplify right side
    82,603.21x = 5,597,552,550.15
  5. Step 5: Solve for x
    x = 5,597,552,550.15/82,603.21
  6. Step 6: Final answer
    x = 67,764.35

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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.