Home / 52,231.06-72,078.44-28,357.26

Finding the Fourth Proportional to 52,231.06, 72,078.44 and 28,357.26

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Solution

The fourth proportional to 52,231.06, 72,078.44 and 28,357.26 is: 39,132.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,231.06 : 72,078.44 = 28,357.26 : x
  2. Step 2: Convert to fraction form
    52,231.06/72,078.44 = 28,357.26/x
  3. Step 3: Cross multiply
    52,231.06x = 72,078.44 × 28,357.26
  4. Step 4: Simplify right side
    52,231.06x = 2,043,947,063.47
  5. Step 5: Solve for x
    x = 2,043,947,063.47/52,231.06
  6. Step 6: Final answer
    x = 39,132.79

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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.