Home / 79,525.20-109,744.89-43,715.43

Finding the Fourth Proportional to 79,525.20, 109,744.89 and 43,715.43

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Solution

The fourth proportional to 79,525.20, 109,744.89 and 43,715.43 is: 60,327.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,525.20 : 109,744.89 = 43,715.43 : x
  2. Step 2: Convert to fraction form
    79,525.20/109,744.89 = 43,715.43/x
  3. Step 3: Cross multiply
    79,525.20x = 109,744.89 × 43,715.43
  4. Step 4: Simplify right side
    79,525.20x = 4,797,545,056.65
  5. Step 5: Solve for x
    x = 4,797,545,056.65/79,525.20
  6. Step 6: Final answer
    x = 60,327.36

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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.