Home / 79,318.28-109,462.66-47,481.02

Finding the Fourth Proportional to 79,318.28, 109,462.66 and 47,481.02

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Solution

The fourth proportional to 79,318.28, 109,462.66 and 47,481.02 is: 65,525.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,318.28 : 109,462.66 = 47,481.02 : x
  2. Step 2: Convert to fraction form
    79,318.28/109,462.66 = 47,481.02/x
  3. Step 3: Cross multiply
    79,318.28x = 109,462.66 × 47,481.02
  4. Step 4: Simplify right side
    79,318.28x = 5,197,398,748.71
  5. Step 5: Solve for x
    x = 5,197,398,748.71/79,318.28
  6. Step 6: Final answer
    x = 65,525.86

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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.