Home / 75,134.31-112,742.96-41,873.11

Finding the Fourth Proportional to 75,134.31, 112,742.96 and 41,873.11

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Solution

The fourth proportional to 75,134.31, 112,742.96 and 41,873.11 is: 62,832.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,134.31 : 112,742.96 = 41,873.11 : x
  2. Step 2: Convert to fraction form
    75,134.31/112,742.96 = 41,873.11/x
  3. Step 3: Cross multiply
    75,134.31x = 112,742.96 × 41,873.11
  4. Step 4: Simplify right side
    75,134.31x = 4,720,898,297.37
  5. Step 5: Solve for x
    x = 4,720,898,297.37/75,134.31
  6. Step 6: Final answer
    x = 62,832.79

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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.