Home / 79,134.46-109,205.88-43,327.81

Finding the Fourth Proportional to 79,134.46, 109,205.88 and 43,327.81

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Solution

The fourth proportional to 79,134.46, 109,205.88 and 43,327.81 is: 59,792.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,134.46 : 109,205.88 = 43,327.81 : x
  2. Step 2: Convert to fraction form
    79,134.46/109,205.88 = 43,327.81/x
  3. Step 3: Cross multiply
    79,134.46x = 109,205.88 × 43,327.81
  4. Step 4: Simplify right side
    79,134.46x = 4,731,651,101.13
  5. Step 5: Solve for x
    x = 4,731,651,101.13/79,134.46
  6. Step 6: Final answer
    x = 59,792.55

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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.