Home / 54,507.79-75,204.61-31,840.75

Finding the Fourth Proportional to 54,507.79, 75,204.61 and 31,840.75

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Solution

The fourth proportional to 54,507.79, 75,204.61 and 31,840.75 is: 43,930.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,507.79 : 75,204.61 = 31,840.75 : x
  2. Step 2: Convert to fraction form
    54,507.79/75,204.61 = 31,840.75/x
  3. Step 3: Cross multiply
    54,507.79x = 75,204.61 × 31,840.75
  4. Step 4: Simplify right side
    54,507.79x = 2,394,571,185.86
  5. Step 5: Solve for x
    x = 2,394,571,185.86/54,507.79
  6. Step 6: Final answer
    x = 43,930.81

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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.