Home / 79,787.70-110,105.07-43,976.92

Finding the Fourth Proportional to 79,787.70, 110,105.07 and 43,976.92

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Solution

The fourth proportional to 79,787.70, 110,105.07 and 43,976.92 is: 60,687.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,787.70 : 110,105.07 = 43,976.92 : x
  2. Step 2: Convert to fraction form
    79,787.70/110,105.07 = 43,976.92/x
  3. Step 3: Cross multiply
    79,787.70x = 110,105.07 × 43,976.92
  4. Step 4: Simplify right side
    79,787.70x = 4,842,081,854.98
  5. Step 5: Solve for x
    x = 4,842,081,854.98/79,787.70
  6. Step 6: Final answer
    x = 60,687.08

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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.