Home / 79,049.03-109,086.13-43,238.93

Finding the Fourth Proportional to 79,049.03, 109,086.13 and 43,238.93

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Solution

The fourth proportional to 79,049.03, 109,086.13 and 43,238.93 is: 59,668.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,049.03 : 109,086.13 = 43,238.93 : x
  2. Step 2: Convert to fraction form
    79,049.03/109,086.13 = 43,238.93/x
  3. Step 3: Cross multiply
    79,049.03x = 109,086.13 × 43,238.93
  4. Step 4: Simplify right side
    79,049.03x = 4,716,767,539.04
  5. Step 5: Solve for x
    x = 4,716,767,539.04/79,049.03
  6. Step 6: Final answer
    x = 59,668.89

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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.