Home / 54,063.27-81,109.53-48,858.21

Finding the Fourth Proportional to 54,063.27, 81,109.53 and 48,858.21

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Solution

The fourth proportional to 54,063.27, 81,109.53 and 48,858.21 is: 73,300.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,063.27 : 81,109.53 = 48,858.21 : x
  2. Step 2: Convert to fraction form
    54,063.27/81,109.53 = 48,858.21/x
  3. Step 3: Cross multiply
    54,063.27x = 81,109.53 × 48,858.21
  4. Step 4: Simplify right side
    54,063.27x = 3,962,866,449.74
  5. Step 5: Solve for x
    x = 3,962,866,449.74/54,063.27
  6. Step 6: Final answer
    x = 73,300.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.