Home / 76,272.96-114,363.12-34,145.04

Finding the Fourth Proportional to 76,272.96, 114,363.12 and 34,145.04

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Solution

The fourth proportional to 76,272.96, 114,363.12 and 34,145.04 is: 51,196.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,272.96 : 114,363.12 = 34,145.04 : x
  2. Step 2: Convert to fraction form
    76,272.96/114,363.12 = 34,145.04/x
  3. Step 3: Cross multiply
    76,272.96x = 114,363.12 × 34,145.04
  4. Step 4: Simplify right side
    76,272.96x = 3,904,933,306.92
  5. Step 5: Solve for x
    x = 3,904,933,306.92/76,272.96
  6. Step 6: Final answer
    x = 51,196.82

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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.