Home / 48,991.88-73,429.50-34,120.28

Finding the Fourth Proportional to 48,991.88, 73,429.50 and 34,120.28

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Solution

The fourth proportional to 48,991.88, 73,429.50 and 34,120.28 is: 51,139.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,991.88 : 73,429.50 = 34,120.28 : x
  2. Step 2: Convert to fraction form
    48,991.88/73,429.50 = 34,120.28/x
  3. Step 3: Cross multiply
    48,991.88x = 73,429.50 × 34,120.28
  4. Step 4: Simplify right side
    48,991.88x = 2,505,435,100.26
  5. Step 5: Solve for x
    x = 2,505,435,100.26/48,991.88
  6. Step 6: Final answer
    x = 51,139.80

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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.