Home / 79,193.37-109,281.15-43,377.60

Finding the Fourth Proportional to 79,193.37, 109,281.15 and 43,377.60

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Solution

The fourth proportional to 79,193.37, 109,281.15 and 43,377.60 is: 59,857.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,193.37 : 109,281.15 = 43,377.60 : x
  2. Step 2: Convert to fraction form
    79,193.37/109,281.15 = 43,377.60/x
  3. Step 3: Cross multiply
    79,193.37x = 109,281.15 × 43,377.60
  4. Step 4: Simplify right side
    79,193.37x = 4,740,354,012.24
  5. Step 5: Solve for x
    x = 4,740,354,012.24/79,193.37
  6. Step 6: Final answer
    x = 59,857.97

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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.