Home / 79,230.35-109,338.73-43,419.58

Finding the Fourth Proportional to 79,230.35, 109,338.73 and 43,419.58

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Solution

The fourth proportional to 79,230.35, 109,338.73 and 43,419.58 is: 59,919.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,230.35 : 109,338.73 = 43,419.58 : x
  2. Step 2: Convert to fraction form
    79,230.35/109,338.73 = 43,419.58/x
  3. Step 3: Cross multiply
    79,230.35x = 109,338.73 × 43,419.58
  4. Step 4: Simplify right side
    79,230.35x = 4,747,441,352.44
  5. Step 5: Solve for x
    x = 4,747,441,352.44/79,230.35
  6. Step 6: Final answer
    x = 59,919.48

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1.5x scale

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.