Home / 81,944.94-122,820.21-35,098.86

Finding the Fourth Proportional to 81,944.94, 122,820.21 and 35,098.86

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Solution

The fourth proportional to 81,944.94, 122,820.21 and 35,098.86 is: 52,606.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,944.94 : 122,820.21 = 35,098.86 : x
  2. Step 2: Convert to fraction form
    81,944.94/122,820.21 = 35,098.86/x
  3. Step 3: Cross multiply
    81,944.94x = 122,820.21 × 35,098.86
  4. Step 4: Simplify right side
    81,944.94x = 4,310,849,355.96
  5. Step 5: Solve for x
    x = 4,310,849,355.96/81,944.94
  6. Step 6: Final answer
    x = 52,606.66

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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.