Home / 79,191.39-109,284.25-43,380.62

Finding the Fourth Proportional to 79,191.39, 109,284.25 and 43,380.62

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Solution

The fourth proportional to 79,191.39, 109,284.25 and 43,380.62 is: 59,865.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,191.39 : 109,284.25 = 43,380.62 : x
  2. Step 2: Convert to fraction form
    79,191.39/109,284.25 = 43,380.62/x
  3. Step 3: Cross multiply
    79,191.39x = 109,284.25 × 43,380.62
  4. Step 4: Simplify right side
    79,191.39x = 4,740,818,521.24
  5. Step 5: Solve for x
    x = 4,740,818,521.24/79,191.39
  6. Step 6: Final answer
    x = 59,865.33

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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.