Home / 84,951.12-117,229.50-47,224.56

Finding the Fourth Proportional to 84,951.12, 117,229.50 and 47,224.56

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Solution

The fourth proportional to 84,951.12, 117,229.50 and 47,224.56 is: 65,168.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,951.12 : 117,229.50 = 47,224.56 : x
  2. Step 2: Convert to fraction form
    84,951.12/117,229.50 = 47,224.56/x
  3. Step 3: Cross multiply
    84,951.12x = 117,229.50 × 47,224.56
  4. Step 4: Simplify right side
    84,951.12x = 5,536,111,556.52
  5. Step 5: Solve for x
    x = 5,536,111,556.52/84,951.12
  6. Step 6: Final answer
    x = 65,168.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.