Home / 79,674.95-109,949.30-43,865.23

Finding the Fourth Proportional to 79,674.95, 109,949.30 and 43,865.23

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Solution

The fourth proportional to 79,674.95, 109,949.30 and 43,865.23 is: 60,532.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,674.95 : 109,949.30 = 43,865.23 : x
  2. Step 2: Convert to fraction form
    79,674.95/109,949.30 = 43,865.23/x
  3. Step 3: Cross multiply
    79,674.95x = 109,949.30 × 43,865.23
  4. Step 4: Simplify right side
    79,674.95x = 4,822,951,332.84
  5. Step 5: Solve for x
    x = 4,822,951,332.84/79,674.95
  6. Step 6: Final answer
    x = 60,532.84

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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.