Home / 52,168.70-71,993.24-28,295.31

Finding the Fourth Proportional to 52,168.70, 71,993.24 and 28,295.31

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Solution

The fourth proportional to 52,168.70, 71,993.24 and 28,295.31 is: 39,047.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,168.70 : 71,993.24 = 28,295.31 : x
  2. Step 2: Convert to fraction form
    52,168.70/71,993.24 = 28,295.31/x
  3. Step 3: Cross multiply
    52,168.70x = 71,993.24 × 28,295.31
  4. Step 4: Simplify right side
    52,168.70x = 2,037,071,043.70
  5. Step 5: Solve for x
    x = 2,037,071,043.70/52,168.70
  6. Step 6: Final answer
    x = 39,047.76

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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.