Home / 56,824.80-85,237.20-51,295.20

Finding the Fourth Proportional to 56,824.80, 85,237.20 and 51,295.20

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Solution

The fourth proportional to 56,824.80, 85,237.20 and 51,295.20 is: 76,942.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,824.80 : 85,237.20 = 51,295.20 : x
  2. Step 2: Convert to fraction form
    56,824.80/85,237.20 = 51,295.20/x
  3. Step 3: Cross multiply
    56,824.80x = 85,237.20 × 51,295.20
  4. Step 4: Simplify right side
    56,824.80x = 4,372,259,221.44
  5. Step 5: Solve for x
    x = 4,372,259,221.44/56,824.80
  6. Step 6: Final answer
    x = 76,942.80

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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.