Home / 79,259.32-109,377.96-43,450.63

Finding the Fourth Proportional to 79,259.32, 109,377.96 and 43,450.63

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Solution

The fourth proportional to 79,259.32, 109,377.96 and 43,450.63 is: 59,961.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,259.32 : 109,377.96 = 43,450.63 : x
  2. Step 2: Convert to fraction form
    79,259.32/109,377.96 = 43,450.63/x
  3. Step 3: Cross multiply
    79,259.32x = 109,377.96 × 43,450.63
  4. Step 4: Simplify right side
    79,259.32x = 4,752,541,270.11
  5. Step 5: Solve for x
    x = 4,752,541,270.11/79,259.32
  6. Step 6: Final answer
    x = 59,961.92

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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.