Home / 56,832.22-85,139.20-31,796.40

Finding the Fourth Proportional to 56,832.22, 85,139.20 and 31,796.40

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Solution

The fourth proportional to 56,832.22, 85,139.20 and 31,796.40 is: 47,633.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,832.22 : 85,139.20 = 31,796.40 : x
  2. Step 2: Convert to fraction form
    56,832.22/85,139.20 = 31,796.40/x
  3. Step 3: Cross multiply
    56,832.22x = 85,139.20 × 31,796.40
  4. Step 4: Simplify right side
    56,832.22x = 2,707,120,058.88
  5. Step 5: Solve for x
    x = 2,707,120,058.88/56,832.22
  6. Step 6: Final answer
    x = 47,633.54

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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.