Home / 76,289.22-114,458.67-36,850.86

Finding the Fourth Proportional to 76,289.22, 114,458.67 and 36,850.86

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Solution

The fourth proportional to 76,289.22, 114,458.67 and 36,850.86 is: 55,288.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,289.22 : 114,458.67 = 36,850.86 : x
  2. Step 2: Convert to fraction form
    76,289.22/114,458.67 = 36,850.86/x
  3. Step 3: Cross multiply
    76,289.22x = 114,458.67 × 36,850.86
  4. Step 4: Simplify right side
    76,289.22x = 4,217,900,423.96
  5. Step 5: Solve for x
    x = 4,217,900,423.96/76,289.22
  6. Step 6: Final answer
    x = 55,288.29

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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.