Home / 79,660.66-109,934.64-43,852.18

Finding the Fourth Proportional to 79,660.66, 109,934.64 and 43,852.18

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Solution

The fourth proportional to 79,660.66, 109,934.64 and 43,852.18 is: 60,517.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,660.66 : 109,934.64 = 43,852.18 : x
  2. Step 2: Convert to fraction form
    79,660.66/109,934.64 = 43,852.18/x
  3. Step 3: Cross multiply
    79,660.66x = 109,934.64 × 43,852.18
  4. Step 4: Simplify right side
    79,660.66x = 4,820,873,621.52
  5. Step 5: Solve for x
    x = 4,820,873,621.52/79,660.66
  6. Step 6: Final answer
    x = 60,517.62

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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.