Home / 75,132.08-103,682.31-46,837.88

Finding the Fourth Proportional to 75,132.08, 103,682.31 and 46,837.88

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Solution

The fourth proportional to 75,132.08, 103,682.31 and 46,837.88 is: 64,636.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,132.08 : 103,682.31 = 46,837.88 : x
  2. Step 2: Convert to fraction form
    75,132.08/103,682.31 = 46,837.88/x
  3. Step 3: Cross multiply
    75,132.08x = 103,682.31 × 46,837.88
  4. Step 4: Simplify right side
    75,132.08x = 4,856,259,593.90
  5. Step 5: Solve for x
    x = 4,856,259,593.90/75,132.08
  6. Step 6: Final answer
    x = 64,636.30

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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.