Home / 54,975.14-75,861.49-31,103.33

Finding the Fourth Proportional to 54,975.14, 75,861.49 and 31,103.33

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Solution

The fourth proportional to 54,975.14, 75,861.49 and 31,103.33 is: 42,920.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,975.14 : 75,861.49 = 31,103.33 : x
  2. Step 2: Convert to fraction form
    54,975.14/75,861.49 = 31,103.33/x
  3. Step 3: Cross multiply
    54,975.14x = 75,861.49 × 31,103.33
  4. Step 4: Simplify right side
    54,975.14x = 2,359,544,802.25
  5. Step 5: Solve for x
    x = 2,359,544,802.25/54,975.14
  6. Step 6: Final answer
    x = 42,920.22

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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.