Home / 79,359.74-109,516.12-43,550.35

Finding the Fourth Proportional to 79,359.74, 109,516.12 and 43,550.35

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Solution

The fourth proportional to 79,359.74, 109,516.12 and 43,550.35 is: 60,099.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,359.74 : 109,516.12 = 43,550.35 : x
  2. Step 2: Convert to fraction form
    79,359.74/109,516.12 = 43,550.35/x
  3. Step 3: Cross multiply
    79,359.74x = 109,516.12 × 43,550.35
  4. Step 4: Simplify right side
    79,359.74x = 4,769,464,973.98
  5. Step 5: Solve for x
    x = 4,769,464,973.98/79,359.74
  6. Step 6: Final answer
    x = 60,099.30

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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.