Home / 79,383.36-109,550.26-43,576.62

Finding the Fourth Proportional to 79,383.36, 109,550.26 and 43,576.62

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Solution

The fourth proportional to 79,383.36, 109,550.26 and 43,576.62 is: 60,136.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,383.36 : 109,550.26 = 43,576.62 : x
  2. Step 2: Convert to fraction form
    79,383.36/109,550.26 = 43,576.62/x
  3. Step 3: Cross multiply
    79,383.36x = 109,550.26 × 43,576.62
  4. Step 4: Simplify right side
    79,383.36x = 4,773,830,050.92
  5. Step 5: Solve for x
    x = 4,773,830,050.92/79,383.36
  6. Step 6: Final answer
    x = 60,136.41

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1.5x scale

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.