Home / 53,119.64-79,640.40-32,067.20

Finding the Fourth Proportional to 53,119.64, 79,640.40 and 32,067.20

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Solution

The fourth proportional to 53,119.64, 79,640.40 and 32,067.20 is: 48,077.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,119.64 : 79,640.40 = 32,067.20 : x
  2. Step 2: Convert to fraction form
    53,119.64/79,640.40 = 32,067.20/x
  3. Step 3: Cross multiply
    53,119.64x = 79,640.40 × 32,067.20
  4. Step 4: Simplify right side
    53,119.64x = 2,553,844,634.88
  5. Step 5: Solve for x
    x = 2,553,844,634.88/53,119.64
  6. Step 6: Final answer
    x = 48,077.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.