Home / 45,735.20-68,748.60-43,110.80

Finding the Fourth Proportional to 45,735.20, 68,748.60 and 43,110.80

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Solution

The fourth proportional to 45,735.20, 68,748.60 and 43,110.80 is: 64,803.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,735.20 : 68,748.60 = 43,110.80 : x
  2. Step 2: Convert to fraction form
    45,735.20/68,748.60 = 43,110.80/x
  3. Step 3: Cross multiply
    45,735.20x = 68,748.60 × 43,110.80
  4. Step 4: Simplify right side
    45,735.20x = 2,963,807,144.88
  5. Step 5: Solve for x
    x = 2,963,807,144.88/45,735.20
  6. Step 6: Final answer
    x = 64,803.63

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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.