Home / 54,147.95-81,240.37-29,190.41

Finding the Fourth Proportional to 54,147.95, 81,240.37 and 29,190.41

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Solution

The fourth proportional to 54,147.95, 81,240.37 and 29,190.41 is: 43,795.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,147.95 : 81,240.37 = 29,190.41 : x
  2. Step 2: Convert to fraction form
    54,147.95/81,240.37 = 29,190.41/x
  3. Step 3: Cross multiply
    54,147.95x = 81,240.37 × 29,190.41
  4. Step 4: Simplify right side
    54,147.95x = 2,371,439,562.90
  5. Step 5: Solve for x
    x = 2,371,439,562.90/54,147.95
  6. Step 6: Final answer
    x = 43,795.56

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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.