Home / 55,253.36-76,249.73-31,380.03

Finding the Fourth Proportional to 55,253.36, 76,249.73 and 31,380.03

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Solution

The fourth proportional to 55,253.36, 76,249.73 and 31,380.03 is: 43,304.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,253.36 : 76,249.73 = 31,380.03 : x
  2. Step 2: Convert to fraction form
    55,253.36/76,249.73 = 31,380.03/x
  3. Step 3: Cross multiply
    55,253.36x = 76,249.73 × 31,380.03
  4. Step 4: Simplify right side
    55,253.36x = 2,392,718,814.89
  5. Step 5: Solve for x
    x = 2,392,718,814.89/55,253.36
  6. Step 6: Final answer
    x = 43,304.49

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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.