Home / 54,429.87-75,100.08-31,755.92

Finding the Fourth Proportional to 54,429.87, 75,100.08 and 31,755.92

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Solution

The fourth proportional to 54,429.87, 75,100.08 and 31,755.92 is: 43,815.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,429.87 : 75,100.08 = 31,755.92 : x
  2. Step 2: Convert to fraction form
    54,429.87/75,100.08 = 31,755.92/x
  3. Step 3: Cross multiply
    54,429.87x = 75,100.08 × 31,755.92
  4. Step 4: Simplify right side
    54,429.87x = 2,384,871,973.69
  5. Step 5: Solve for x
    x = 2,384,871,973.69/54,429.87
  6. Step 6: Final answer
    x = 43,815.50

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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.