Home / 79,444.77-109,634.68-43,635.61

Finding the Fourth Proportional to 79,444.77, 109,634.68 and 43,635.61

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Solution

The fourth proportional to 79,444.77, 109,634.68 and 43,635.61 is: 60,217.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,444.77 : 109,634.68 = 43,635.61 : x
  2. Step 2: Convert to fraction form
    79,444.77/109,634.68 = 43,635.61/x
  3. Step 3: Cross multiply
    79,444.77x = 109,634.68 × 43,635.61
  4. Step 4: Simplify right side
    79,444.77x = 4,783,976,138.95
  5. Step 5: Solve for x
    x = 4,783,976,138.95/79,444.77
  6. Step 6: Final answer
    x = 60,217.63

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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.