Home / 47,362.28-65,344.74-31,449.92

Finding the Fourth Proportional to 47,362.28, 65,344.74 and 31,449.92

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Solution

The fourth proportional to 47,362.28, 65,344.74 and 31,449.92 is: 43,390.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,362.28 : 65,344.74 = 31,449.92 : x
  2. Step 2: Convert to fraction form
    47,362.28/65,344.74 = 31,449.92/x
  3. Step 3: Cross multiply
    47,362.28x = 65,344.74 × 31,449.92
  4. Step 4: Simplify right side
    47,362.28x = 2,055,086,845.42
  5. Step 5: Solve for x
    x = 2,055,086,845.42/47,362.28
  6. Step 6: Final answer
    x = 43,390.79

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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.