Home / 83,396.28-115,104.72-53,174.64

Finding the Fourth Proportional to 83,396.28, 115,104.72 and 53,174.64

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Solution

The fourth proportional to 83,396.28, 115,104.72 and 53,174.64 is: 73,392.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,396.28 : 115,104.72 = 53,174.64 : x
  2. Step 2: Convert to fraction form
    83,396.28/115,104.72 = 53,174.64/x
  3. Step 3: Cross multiply
    83,396.28x = 115,104.72 × 53,174.64
  4. Step 4: Simplify right side
    83,396.28x = 6,120,652,048.30
  5. Step 5: Solve for x
    x = 6,120,652,048.30/83,396.28
  6. Step 6: Final answer
    x = 73,392.39

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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.