Home / 75,221.58-112,832.17-19,061.53

Finding the Fourth Proportional to 75,221.58, 112,832.17 and 19,061.53

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Solution

The fourth proportional to 75,221.58, 112,832.17 and 19,061.53 is: 28,592.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,221.58 : 112,832.17 = 19,061.53 : x
  2. Step 2: Convert to fraction form
    75,221.58/112,832.17 = 19,061.53/x
  3. Step 3: Cross multiply
    75,221.58x = 112,832.17 × 19,061.53
  4. Step 4: Simplify right side
    75,221.58x = 2,150,753,133.95
  5. Step 5: Solve for x
    x = 2,150,753,133.95/75,221.58
  6. Step 6: Final answer
    x = 28,592.24

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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.