Home / 86,371.88-129,631.66-33,818.26

Finding the Fourth Proportional to 86,371.88, 129,631.66 and 33,818.26

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Solution

The fourth proportional to 86,371.88, 129,631.66 and 33,818.26 is: 50,756.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,371.88 : 129,631.66 = 33,818.26 : x
  2. Step 2: Convert to fraction form
    86,371.88/129,631.66 = 33,818.26/x
  3. Step 3: Cross multiply
    86,371.88x = 129,631.66 × 33,818.26
  4. Step 4: Simplify right side
    86,371.88x = 4,383,917,182.11
  5. Step 5: Solve for x
    x = 4,383,917,182.11/86,371.88
  6. Step 6: Final answer
    x = 50,756.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.