Home / 47,912.90-71,883.36-14,179.80

Finding the Fourth Proportional to 47,912.90, 71,883.36 and 14,179.80

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Solution

The fourth proportional to 47,912.90, 71,883.36 and 14,179.80 is: 21,273.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,912.90 : 71,883.36 = 14,179.80 : x
  2. Step 2: Convert to fraction form
    47,912.90/71,883.36 = 14,179.80/x
  3. Step 3: Cross multiply
    47,912.90x = 71,883.36 × 14,179.80
  4. Step 4: Simplify right side
    47,912.90x = 1,019,291,668.13
  5. Step 5: Solve for x
    x = 1,019,291,668.13/47,912.90
  6. Step 6: Final answer
    x = 21,273.85

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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.