Home / 76,204.91-114,381.17-36,789.70

Finding the Fourth Proportional to 76,204.91, 114,381.17 and 36,789.70

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Solution

The fourth proportional to 76,204.91, 114,381.17 and 36,789.70 is: 55,220.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,204.91 : 114,381.17 = 36,789.70 : x
  2. Step 2: Convert to fraction form
    76,204.91/114,381.17 = 36,789.70/x
  3. Step 3: Cross multiply
    76,204.91x = 114,381.17 × 36,789.70
  4. Step 4: Simplify right side
    76,204.91x = 4,208,048,929.95
  5. Step 5: Solve for x
    x = 4,208,048,929.95/76,204.91
  6. Step 6: Final answer
    x = 55,220.18

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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.