Home / 47,769.90-71,556.36-27,988.50

Finding the Fourth Proportional to 47,769.90, 71,556.36 and 27,988.50

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Solution

The fourth proportional to 47,769.90, 71,556.36 and 27,988.50 is: 41,925.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,769.90 : 71,556.36 = 27,988.50 : x
  2. Step 2: Convert to fraction form
    47,769.90/71,556.36 = 27,988.50/x
  3. Step 3: Cross multiply
    47,769.90x = 71,556.36 × 27,988.50
  4. Step 4: Simplify right side
    47,769.90x = 2,002,755,181.86
  5. Step 5: Solve for x
    x = 2,002,755,181.86/47,769.90
  6. Step 6: Final answer
    x = 41,925.04

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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.