Home / 57,514.31-79,371.50-31,322.03

Finding the Fourth Proportional to 57,514.31, 79,371.50 and 31,322.03

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Solution

The fourth proportional to 57,514.31, 79,371.50 and 31,322.03 is: 43,225.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,514.31 : 79,371.50 = 31,322.03 : x
  2. Step 2: Convert to fraction form
    57,514.31/79,371.50 = 31,322.03/x
  3. Step 3: Cross multiply
    57,514.31x = 79,371.50 × 31,322.03
  4. Step 4: Simplify right side
    57,514.31x = 2,486,076,107.29
  5. Step 5: Solve for x
    x = 2,486,076,107.29/57,514.31
  6. Step 6: Final answer
    x = 43,225.35

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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.