Home / 47,729.20-71,593.80-43,355.20

Finding the Fourth Proportional to 47,729.20, 71,593.80 and 43,355.20

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Solution

The fourth proportional to 47,729.20, 71,593.80 and 43,355.20 is: 65,032.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,729.20 : 71,593.80 = 43,355.20 : x
  2. Step 2: Convert to fraction form
    47,729.20/71,593.80 = 43,355.20/x
  3. Step 3: Cross multiply
    47,729.20x = 71,593.80 × 43,355.20
  4. Step 4: Simplify right side
    47,729.20x = 3,103,963,517.76
  5. Step 5: Solve for x
    x = 3,103,963,517.76/47,729.20
  6. Step 6: Final answer
    x = 65,032.80

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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.