Home / 79,362.64-109,523.09-43,554.61

Finding the Fourth Proportional to 79,362.64, 109,523.09 and 43,554.61

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Solution

The fourth proportional to 79,362.64, 109,523.09 and 43,554.61 is: 60,106.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,362.64 : 109,523.09 = 43,554.61 : x
  2. Step 2: Convert to fraction form
    79,362.64/109,523.09 = 43,554.61/x
  3. Step 3: Cross multiply
    79,362.64x = 109,523.09 × 43,554.61
  4. Step 4: Simplify right side
    79,362.64x = 4,770,235,471.74
  5. Step 5: Solve for x
    x = 4,770,235,471.74/79,362.64
  6. Step 6: Final answer
    x = 60,106.82

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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.