Home / 55,464.21-76,554.36-31,605.03

Finding the Fourth Proportional to 55,464.21, 76,554.36 and 31,605.03

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Solution

The fourth proportional to 55,464.21, 76,554.36 and 31,605.03 is: 43,622.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,464.21 : 76,554.36 = 31,605.03 : x
  2. Step 2: Convert to fraction form
    55,464.21/76,554.36 = 31,605.03/x
  3. Step 3: Cross multiply
    55,464.21x = 76,554.36 × 31,605.03
  4. Step 4: Simplify right side
    55,464.21x = 2,419,502,844.43
  5. Step 5: Solve for x
    x = 2,419,502,844.43/55,464.21
  6. Step 6: Final answer
    x = 43,622.78

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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.