Home / 79,180.74-109,269.44-43,371.35

Finding the Fourth Proportional to 79,180.74, 109,269.44 and 43,371.35

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Solution

The fourth proportional to 79,180.74, 109,269.44 and 43,371.35 is: 59,852.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,180.74 : 109,269.44 = 43,371.35 : x
  2. Step 2: Convert to fraction form
    79,180.74/109,269.44 = 43,371.35/x
  3. Step 3: Cross multiply
    79,180.74x = 109,269.44 × 43,371.35
  4. Step 4: Simplify right side
    79,180.74x = 4,739,163,126.54
  5. Step 5: Solve for x
    x = 4,739,163,126.54/79,180.74
  6. Step 6: Final answer
    x = 59,852.47

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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.