Home / 79,324.28-109,470.96-47,487.02

Finding the Fourth Proportional to 79,324.28, 109,470.96 and 47,487.02

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Solution

The fourth proportional to 79,324.28, 109,470.96 and 47,487.02 is: 65,534.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,324.28 : 109,470.96 = 47,487.02 : x
  2. Step 2: Convert to fraction form
    79,324.28/109,470.96 = 47,487.02/x
  3. Step 3: Cross multiply
    79,324.28x = 109,470.96 × 47,487.02
  4. Step 4: Simplify right side
    79,324.28x = 5,198,449,666.94
  5. Step 5: Solve for x
    x = 5,198,449,666.94/79,324.28
  6. Step 6: Final answer
    x = 65,534.16

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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.