Home / 76,543.61-114,789.85-32,162.09

Finding the Fourth Proportional to 76,543.61, 114,789.85 and 32,162.09

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Solution

The fourth proportional to 76,543.61, 114,789.85 and 32,162.09 is: 48,232.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,543.61 : 114,789.85 = 32,162.09 : x
  2. Step 2: Convert to fraction form
    76,543.61/114,789.85 = 32,162.09/x
  3. Step 3: Cross multiply
    76,543.61x = 114,789.85 × 32,162.09
  4. Step 4: Simplify right side
    76,543.61x = 3,691,880,832.43
  5. Step 5: Solve for x
    x = 3,691,880,832.43/76,543.61
  6. Step 6: Final answer
    x = 48,232.39

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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.