Home / 54,331.30-81,453.21-49,957.30

Finding the Fourth Proportional to 54,331.30, 81,453.21 and 49,957.30

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Solution

The fourth proportional to 54,331.30, 81,453.21 and 49,957.30 is: 74,895.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,331.30 : 81,453.21 = 49,957.30 : x
  2. Step 2: Convert to fraction form
    54,331.30/81,453.21 = 49,957.30/x
  3. Step 3: Cross multiply
    54,331.30x = 81,453.21 × 49,957.30
  4. Step 4: Simplify right side
    54,331.30x = 4,069,182,447.93
  5. Step 5: Solve for x
    x = 4,069,182,447.93/54,331.30
  6. Step 6: Final answer
    x = 74,895.73

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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.