Home / 54,723.85-75,515.66-31,751.90

Finding the Fourth Proportional to 54,723.85, 75,515.66 and 31,751.90

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Solution

The fourth proportional to 54,723.85, 75,515.66 and 31,751.90 is: 43,815.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,723.85 : 75,515.66 = 31,751.90 : x
  2. Step 2: Convert to fraction form
    54,723.85/75,515.66 = 31,751.90/x
  3. Step 3: Cross multiply
    54,723.85x = 75,515.66 × 31,751.90
  4. Step 4: Simplify right side
    54,723.85x = 2,397,765,307.18
  5. Step 5: Solve for x
    x = 2,397,765,307.18/54,723.85
  6. Step 6: Final answer
    x = 43,815.73

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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.