Home / 79,274.28-109,399.76-47,444.52

Finding the Fourth Proportional to 79,274.28, 109,399.76 and 47,444.52

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Solution

The fourth proportional to 79,274.28, 109,399.76 and 47,444.52 is: 65,474.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,274.28 : 109,399.76 = 47,444.52 : x
  2. Step 2: Convert to fraction form
    79,274.28/109,399.76 = 47,444.52/x
  3. Step 3: Cross multiply
    79,274.28x = 109,399.76 × 47,444.52
  4. Step 4: Simplify right side
    79,274.28x = 5,190,419,101.32
  5. Step 5: Solve for x
    x = 5,190,419,101.32/79,274.28
  6. Step 6: Final answer
    x = 65,474.19

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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.