Home / 47,457.20-71,137.20-27,725.60

Finding the Fourth Proportional to 47,457.20, 71,137.20 and 27,725.60

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Solution

The fourth proportional to 47,457.20, 71,137.20 and 27,725.60 is: 41,560.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,457.20 : 71,137.20 = 27,725.60 : x
  2. Step 2: Convert to fraction form
    47,457.20/71,137.20 = 27,725.60/x
  3. Step 3: Cross multiply
    47,457.20x = 71,137.20 × 27,725.60
  4. Step 4: Simplify right side
    47,457.20x = 1,972,321,552.32
  5. Step 5: Solve for x
    x = 1,972,321,552.32/47,457.20
  6. Step 6: Final answer
    x = 41,560.01

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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.