Home / 47,767.20-71,650.80-36,729.60

Finding the Fourth Proportional to 47,767.20, 71,650.80 and 36,729.60

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Solution

The fourth proportional to 47,767.20, 71,650.80 and 36,729.60 is: 55,094.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,767.20 : 71,650.80 = 36,729.60 : x
  2. Step 2: Convert to fraction form
    47,767.20/71,650.80 = 36,729.60/x
  3. Step 3: Cross multiply
    47,767.20x = 71,650.80 × 36,729.60
  4. Step 4: Simplify right side
    47,767.20x = 2,631,705,223.68
  5. Step 5: Solve for x
    x = 2,631,705,223.68/47,767.20
  6. Step 6: Final answer
    x = 55,094.40

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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.