Home / 54,412.70-81,801.30-47,195.60

Finding the Fourth Proportional to 54,412.70, 81,801.30 and 47,195.60

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Solution

The fourth proportional to 54,412.70, 81,801.30 and 47,195.60 is: 70,951.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,412.70 : 81,801.30 = 47,195.60 : x
  2. Step 2: Convert to fraction form
    54,412.70/81,801.30 = 47,195.60/x
  3. Step 3: Cross multiply
    54,412.70x = 81,801.30 × 47,195.60
  4. Step 4: Simplify right side
    54,412.70x = 3,860,661,434.28
  5. Step 5: Solve for x
    x = 3,860,661,434.28/54,412.70
  6. Step 6: Final answer
    x = 70,951.48

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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.