Home / 54,355.86-74,896.11-50,615.82

Finding the Fourth Proportional to 54,355.86, 74,896.11 and 50,615.82

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Solution

The fourth proportional to 54,355.86, 74,896.11 and 50,615.82 is: 69,742.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,355.86 : 74,896.11 = 50,615.82 : x
  2. Step 2: Convert to fraction form
    54,355.86/74,896.11 = 50,615.82/x
  3. Step 3: Cross multiply
    54,355.86x = 74,896.11 × 50,615.82
  4. Step 4: Simplify right side
    54,355.86x = 3,790,928,022.46
  5. Step 5: Solve for x
    x = 3,790,928,022.46/54,355.86
  6. Step 6: Final answer
    x = 69,742.77

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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.