Home / 89,821.32-135,027.24-83,325.96

Finding the Fourth Proportional to 89,821.32, 135,027.24 and 83,325.96

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Solution

The fourth proportional to 89,821.32, 135,027.24 and 83,325.96 is: 125,262.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,821.32 : 135,027.24 = 83,325.96 : x
  2. Step 2: Convert to fraction form
    89,821.32/135,027.24 = 83,325.96/x
  3. Step 3: Cross multiply
    89,821.32x = 135,027.24 × 83,325.96
  4. Step 4: Simplify right side
    89,821.32x = 11,251,274,399.15
  5. Step 5: Solve for x
    x = 11,251,274,399.15/89,821.32
  6. Step 6: Final answer
    x = 125,262.85

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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.