Home / 109,941.12-164,691.84-50,695.68

Finding the Fourth Proportional to 109,941.12, 164,691.84 and 50,695.68

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Solution

The fourth proportional to 109,941.12, 164,691.84 and 50,695.68 is: 75,942.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,941.12 : 164,691.84 = 50,695.68 : x
  2. Step 2: Convert to fraction form
    109,941.12/164,691.84 = 50,695.68/x
  3. Step 3: Cross multiply
    109,941.12x = 164,691.84 × 50,695.68
  4. Step 4: Simplify right side
    109,941.12x = 8,349,164,819.25
  5. Step 5: Solve for x
    x = 8,349,164,819.25/109,941.12
  6. Step 6: Final answer
    x = 75,942.15

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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.