Home / 79,191.36-109,284.42-43,380.60

Finding the Fourth Proportional to 79,191.36, 109,284.42 and 43,380.60

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Solution

The fourth proportional to 79,191.36, 109,284.42 and 43,380.60 is: 59,865.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,191.36 : 109,284.42 = 43,380.60 : x
  2. Step 2: Convert to fraction form
    79,191.36/109,284.42 = 43,380.60/x
  3. Step 3: Cross multiply
    79,191.36x = 109,284.42 × 43,380.60
  4. Step 4: Simplify right side
    79,191.36x = 4,740,823,710.25
  5. Step 5: Solve for x
    x = 4,740,823,710.25/79,191.36
  6. Step 6: Final answer
    x = 59,865.42

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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.