Home / 87,696.36-131,544.54-28,538.04

Finding the Fourth Proportional to 87,696.36, 131,544.54 and 28,538.04

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Solution

The fourth proportional to 87,696.36, 131,544.54 and 28,538.04 is: 42,807.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,696.36 : 131,544.54 = 28,538.04 : x
  2. Step 2: Convert to fraction form
    87,696.36/131,544.54 = 28,538.04/x
  3. Step 3: Cross multiply
    87,696.36x = 131,544.54 × 28,538.04
  4. Step 4: Simplify right side
    87,696.36x = 3,754,023,344.30
  5. Step 5: Solve for x
    x = 3,754,023,344.30/87,696.36
  6. Step 6: Final answer
    x = 42,807.06

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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.