Home / 54,431.62-75,102.48-31,757.67

Finding the Fourth Proportional to 54,431.62, 75,102.48 and 31,757.67

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Solution

The fourth proportional to 54,431.62, 75,102.48 and 31,757.67 is: 43,817.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,431.62 : 75,102.48 = 31,757.67 : x
  2. Step 2: Convert to fraction form
    54,431.62/75,102.48 = 31,757.67/x
  3. Step 3: Cross multiply
    54,431.62x = 75,102.48 × 31,757.67
  4. Step 4: Simplify right side
    54,431.62x = 2,385,079,776.02
  5. Step 5: Solve for x
    x = 2,385,079,776.02/54,431.62
  6. Step 6: Final answer
    x = 43,817.91

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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.