Home / 79,110.99-109,173.39-43,301.28

Finding the Fourth Proportional to 79,110.99, 109,173.39 and 43,301.28

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Solution

The fourth proportional to 79,110.99, 109,173.39 and 43,301.28 is: 59,755.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,110.99 : 109,173.39 = 43,301.28 : x
  2. Step 2: Convert to fraction form
    79,110.99/109,173.39 = 43,301.28/x
  3. Step 3: Cross multiply
    79,110.99x = 109,173.39 × 43,301.28
  4. Step 4: Simplify right side
    79,110.99x = 4,727,347,528.94
  5. Step 5: Solve for x
    x = 4,727,347,528.94/79,110.99
  6. Step 6: Final answer
    x = 59,755.89

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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.