Home / 79,475.10-109,675.78-43,664.80

Finding the Fourth Proportional to 79,475.10, 109,675.78 and 43,664.80

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Solution

The fourth proportional to 79,475.10, 109,675.78 and 43,664.80 is: 60,257.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,475.10 : 109,675.78 = 43,664.80 : x
  2. Step 2: Convert to fraction form
    79,475.10/109,675.78 = 43,664.80/x
  3. Step 3: Cross multiply
    79,475.10x = 109,675.78 × 43,664.80
  4. Step 4: Simplify right side
    79,475.10x = 4,788,970,998.54
  5. Step 5: Solve for x
    x = 4,788,970,998.54/79,475.10
  6. Step 6: Final answer
    x = 60,257.50

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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.