Home / 76,186.84-114,353.98-36,771.70

Finding the Fourth Proportional to 76,186.84, 114,353.98 and 36,771.70

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Solution

The fourth proportional to 76,186.84, 114,353.98 and 36,771.70 is: 55,193.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,186.84 : 114,353.98 = 36,771.70 : x
  2. Step 2: Convert to fraction form
    76,186.84/114,353.98 = 36,771.70/x
  3. Step 3: Cross multiply
    76,186.84x = 114,353.98 × 36,771.70
  4. Step 4: Simplify right side
    76,186.84x = 4,204,990,246.37
  5. Step 5: Solve for x
    x = 4,204,990,246.37/76,186.84
  6. Step 6: Final answer
    x = 55,193.13

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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.