Home / 47,900.97-71,777.54-30,333.89

Finding the Fourth Proportional to 47,900.97, 71,777.54 and 30,333.89

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Solution

The fourth proportional to 47,900.97, 71,777.54 and 30,333.89 is: 45,454.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,900.97 : 71,777.54 = 30,333.89 : x
  2. Step 2: Convert to fraction form
    47,900.97/71,777.54 = 30,333.89/x
  3. Step 3: Cross multiply
    47,900.97x = 71,777.54 × 30,333.89
  4. Step 4: Simplify right side
    47,900.97x = 2,177,292,258.11
  5. Step 5: Solve for x
    x = 2,177,292,258.11/47,900.97
  6. Step 6: Final answer
    x = 45,454.03

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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.