Home / 116,717.20-175,079.18-45,636.96

Finding the Fourth Proportional to 116,717.20, 175,079.18 and 45,636.96

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Solution

The fourth proportional to 116,717.20, 175,079.18 and 45,636.96 is: 68,456.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,717.20 : 175,079.18 = 45,636.96 : x
  2. Step 2: Convert to fraction form
    116,717.20/175,079.18 = 45,636.96/x
  3. Step 3: Cross multiply
    116,717.20x = 175,079.18 × 45,636.96
  4. Step 4: Simplify right side
    116,717.20x = 7,990,081,648.59
  5. Step 5: Solve for x
    x = 7,990,081,648.59/116,717.20
  6. Step 6: Final answer
    x = 68,456.76

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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.