Home / 79,354.34-109,515.78-43,551.26

Finding the Fourth Proportional to 79,354.34, 109,515.78 and 43,551.26

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Solution

The fourth proportional to 79,354.34, 109,515.78 and 43,551.26 is: 60,104.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,354.34 : 109,515.78 = 43,551.26 : x
  2. Step 2: Convert to fraction form
    79,354.34/109,515.78 = 43,551.26/x
  3. Step 3: Cross multiply
    79,354.34x = 109,515.78 × 43,551.26
  4. Step 4: Simplify right side
    79,354.34x = 4,769,550,208.88
  5. Step 5: Solve for x
    x = 4,769,550,208.88/79,354.34
  6. Step 6: Final answer
    x = 60,104.47

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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.