Home / 63,131.68-87,134.18-37,625.28

Finding the Fourth Proportional to 63,131.68, 87,134.18 and 37,625.28

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Solution

The fourth proportional to 63,131.68, 87,134.18 and 37,625.28 is: 51,930.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,131.68 : 87,134.18 = 37,625.28 : x
  2. Step 2: Convert to fraction form
    63,131.68/87,134.18 = 37,625.28/x
  3. Step 3: Cross multiply
    63,131.68x = 87,134.18 × 37,625.28
  4. Step 4: Simplify right side
    63,131.68x = 3,278,448,352.03
  5. Step 5: Solve for x
    x = 3,278,448,352.03/63,131.68
  6. Step 6: Final answer
    x = 51,930.32

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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.