Home / 72,814.50-109,221.57-41,627.88

Finding the Fourth Proportional to 72,814.50, 109,221.57 and 41,627.88

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Solution

The fourth proportional to 72,814.50, 109,221.57 and 41,627.88 is: 62,441.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,814.50 : 109,221.57 = 41,627.88 : x
  2. Step 2: Convert to fraction form
    72,814.50/109,221.57 = 41,627.88/x
  3. Step 3: Cross multiply
    72,814.50x = 109,221.57 × 41,627.88
  4. Step 4: Simplify right side
    72,814.50x = 4,546,662,409.37
  5. Step 5: Solve for x
    x = 4,546,662,409.37/72,814.50
  6. Step 6: Final answer
    x = 62,441.72

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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.