Home / 96,321.66-132,933.89-55,487.20

Finding the Fourth Proportional to 96,321.66, 132,933.89 and 55,487.20

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Solution

The fourth proportional to 96,321.66, 132,933.89 and 55,487.20 is: 76,578.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,321.66 : 132,933.89 = 55,487.20 : x
  2. Step 2: Convert to fraction form
    96,321.66/132,933.89 = 55,487.20/x
  3. Step 3: Cross multiply
    96,321.66x = 132,933.89 × 55,487.20
  4. Step 4: Simplify right side
    96,321.66x = 7,376,129,341.21
  5. Step 5: Solve for x
    x = 7,376,129,341.21/96,321.66
  6. Step 6: Final answer
    x = 76,578.10

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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.