Home / 55,347.59-76,380.53-31,474.97

Finding the Fourth Proportional to 55,347.59, 76,380.53 and 31,474.97

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Solution

The fourth proportional to 55,347.59, 76,380.53 and 31,474.97 is: 43,435.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,347.59 : 76,380.53 = 31,474.97 : x
  2. Step 2: Convert to fraction form
    55,347.59/76,380.53 = 31,474.97/x
  3. Step 3: Cross multiply
    55,347.59x = 76,380.53 × 31,474.97
  4. Step 4: Simplify right side
    55,347.59x = 2,404,074,890.33
  5. Step 5: Solve for x
    x = 2,404,074,890.33/55,347.59
  6. Step 6: Final answer
    x = 43,435.95

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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.