Home / 79,444.39-109,634.16-43,635.24

Finding the Fourth Proportional to 79,444.39, 109,634.16 and 43,635.24

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Solution

The fourth proportional to 79,444.39, 109,634.16 and 43,635.24 is: 60,217.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,444.39 : 109,634.16 = 43,635.24 : x
  2. Step 2: Convert to fraction form
    79,444.39/109,634.16 = 43,635.24/x
  3. Step 3: Cross multiply
    79,444.39x = 109,634.16 × 43,635.24
  4. Step 4: Simplify right side
    79,444.39x = 4,783,912,883.80
  5. Step 5: Solve for x
    x = 4,783,912,883.80/79,444.39
  6. Step 6: Final answer
    x = 60,217.13

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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.