Home / 54,453.72-75,146.14-30,580.41

Finding the Fourth Proportional to 54,453.72, 75,146.14 and 30,580.41

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Solution

The fourth proportional to 54,453.72, 75,146.14 and 30,580.41 is: 42,200.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,453.72 : 75,146.14 = 30,580.41 : x
  2. Step 2: Convert to fraction form
    54,453.72/75,146.14 = 30,580.41/x
  3. Step 3: Cross multiply
    54,453.72x = 75,146.14 × 30,580.41
  4. Step 4: Simplify right side
    54,453.72x = 2,297,999,771.12
  5. Step 5: Solve for x
    x = 2,297,999,771.12/54,453.72
  6. Step 6: Final answer
    x = 42,200.97

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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.