Home / 54,771.29-75,515.90-45,709.69

Finding the Fourth Proportional to 54,771.29, 75,515.90 and 45,709.69

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Solution

The fourth proportional to 54,771.29, 75,515.90 and 45,709.69 is: 63,022.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,771.29 : 75,515.90 = 45,709.69 : x
  2. Step 2: Convert to fraction form
    54,771.29/75,515.90 = 45,709.69/x
  3. Step 3: Cross multiply
    54,771.29x = 75,515.90 × 45,709.69
  4. Step 4: Simplify right side
    54,771.29x = 3,451,807,772.94
  5. Step 5: Solve for x
    x = 3,451,807,772.94/54,771.29
  6. Step 6: Final answer
    x = 63,022.21

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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.