Home / 79,619.22-109,877.18-43,811.86

Finding the Fourth Proportional to 79,619.22, 109,877.18 and 43,811.86

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Solution

The fourth proportional to 79,619.22, 109,877.18 and 43,811.86 is: 60,461.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,619.22 : 109,877.18 = 43,811.86 : x
  2. Step 2: Convert to fraction form
    79,619.22/109,877.18 = 43,811.86/x
  3. Step 3: Cross multiply
    79,619.22x = 109,877.18 × 43,811.86
  4. Step 4: Simplify right side
    79,619.22x = 4,813,923,627.35
  5. Step 5: Solve for x
    x = 4,813,923,627.35/79,619.22
  6. Step 6: Final answer
    x = 60,461.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.