Home / 55,481.86-76,559.47-31,607.11

Finding the Fourth Proportional to 55,481.86, 76,559.47 and 31,607.11

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Solution

The fourth proportional to 55,481.86, 76,559.47 and 31,607.11 is: 43,614.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,481.86 : 76,559.47 = 31,607.11 : x
  2. Step 2: Convert to fraction form
    55,481.86/76,559.47 = 31,607.11/x
  3. Step 3: Cross multiply
    55,481.86x = 76,559.47 × 31,607.11
  4. Step 4: Simplify right side
    55,481.86x = 2,419,823,589.83
  5. Step 5: Solve for x
    x = 2,419,823,589.83/55,481.86
  6. Step 6: Final answer
    x = 43,614.68

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1.5x scale

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.