Home / 47,020.25-70,480.76-15,422.04

Finding the Fourth Proportional to 47,020.25, 70,480.76 and 15,422.04

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Solution

The fourth proportional to 47,020.25, 70,480.76 and 15,422.04 is: 23,116.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,020.25 : 70,480.76 = 15,422.04 : x
  2. Step 2: Convert to fraction form
    47,020.25/70,480.76 = 15,422.04/x
  3. Step 3: Cross multiply
    47,020.25x = 70,480.76 × 15,422.04
  4. Step 4: Simplify right side
    47,020.25x = 1,086,957,022.84
  5. Step 5: Solve for x
    x = 1,086,957,022.84/47,020.25
  6. Step 6: Final answer
    x = 23,116.79

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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.