Home / 79,190.36-109,282.68-43,380.35

Finding the Fourth Proportional to 79,190.36, 109,282.68 and 43,380.35

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Solution

The fourth proportional to 79,190.36, 109,282.68 and 43,380.35 is: 59,864.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,190.36 : 109,282.68 = 43,380.35 : x
  2. Step 2: Convert to fraction form
    79,190.36/109,282.68 = 43,380.35/x
  3. Step 3: Cross multiply
    79,190.36x = 109,282.68 × 43,380.35
  4. Step 4: Simplify right side
    79,190.36x = 4,740,720,907.34
  5. Step 5: Solve for x
    x = 4,740,720,907.34/79,190.36
  6. Step 6: Final answer
    x = 59,864.88

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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.