Home / 81,741.15-122,610.92-48,437.22

Finding the Fourth Proportional to 81,741.15, 122,610.92 and 48,437.22

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Solution

The fourth proportional to 81,741.15, 122,610.92 and 48,437.22 is: 72,655.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,741.15 : 122,610.92 = 48,437.22 : x
  2. Step 2: Convert to fraction form
    81,741.15/122,610.92 = 48,437.22/x
  3. Step 3: Cross multiply
    81,741.15x = 122,610.92 × 48,437.22
  4. Step 4: Simplify right side
    81,741.15x = 5,938,932,324.05
  5. Step 5: Solve for x
    x = 5,938,932,324.05/81,741.15
  6. Step 6: Final answer
    x = 72,655.36

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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.