Home / 79,115.00-109,178.69-43,305.03

Finding the Fourth Proportional to 79,115.00, 109,178.69 and 43,305.03

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Solution

The fourth proportional to 79,115.00, 109,178.69 and 43,305.03 is: 59,760.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,115.00 : 109,178.69 = 43,305.03 : x
  2. Step 2: Convert to fraction form
    79,115.00/109,178.69 = 43,305.03/x
  3. Step 3: Cross multiply
    79,115.00x = 109,178.69 × 43,305.03
  4. Step 4: Simplify right side
    79,115.00x = 4,727,986,229.29
  5. Step 5: Solve for x
    x = 4,727,986,229.29/79,115.00
  6. Step 6: Final answer
    x = 59,760.94

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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.