Home / 57,514.64-79,371.99-31,322.39

Finding the Fourth Proportional to 57,514.64, 79,371.99 and 31,322.39

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Solution

The fourth proportional to 57,514.64, 79,371.99 and 31,322.39 is: 43,225.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,514.64 : 79,371.99 = 31,322.39 : x
  2. Step 2: Convert to fraction form
    57,514.64/79,371.99 = 31,322.39/x
  3. Step 3: Cross multiply
    57,514.64x = 79,371.99 × 31,322.39
  4. Step 4: Simplify right side
    57,514.64x = 2,486,120,029.00
  5. Step 5: Solve for x
    x = 2,486,120,029.00/57,514.64
  6. Step 6: Final answer
    x = 43,225.87

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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.