Home / 83,811.10-125,716.32-33,890.60

Finding the Fourth Proportional to 83,811.10, 125,716.32 and 33,890.60

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Solution

The fourth proportional to 83,811.10, 125,716.32 and 33,890.60 is: 50,835.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,811.10 : 125,716.32 = 33,890.60 : x
  2. Step 2: Convert to fraction form
    83,811.10/125,716.32 = 33,890.60/x
  3. Step 3: Cross multiply
    83,811.10x = 125,716.32 × 33,890.60
  4. Step 4: Simplify right side
    83,811.10x = 4,260,600,886.01
  5. Step 5: Solve for x
    x = 4,260,600,886.01/83,811.10
  6. Step 6: Final answer
    x = 50,835.76

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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.