Home / 47,227.08-65,112.84-38,697.78

Finding the Fourth Proportional to 47,227.08, 65,112.84 and 38,697.78

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Solution

The fourth proportional to 47,227.08, 65,112.84 and 38,697.78 is: 53,353.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,227.08 : 65,112.84 = 38,697.78 : x
  2. Step 2: Convert to fraction form
    47,227.08/65,112.84 = 38,697.78/x
  3. Step 3: Cross multiply
    47,227.08x = 65,112.84 × 38,697.78
  4. Step 4: Simplify right side
    47,227.08x = 2,519,722,357.50
  5. Step 5: Solve for x
    x = 2,519,722,357.50/47,227.08
  6. Step 6: Final answer
    x = 53,353.34

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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.