Home / 52,640.73-72,644.25-28,767.41

Finding the Fourth Proportional to 52,640.73, 72,644.25 and 28,767.41

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Solution

The fourth proportional to 52,640.73, 72,644.25 and 28,767.41 is: 39,699.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,640.73 : 72,644.25 = 28,767.41 : x
  2. Step 2: Convert to fraction form
    52,640.73/72,644.25 = 28,767.41/x
  3. Step 3: Cross multiply
    52,640.73x = 72,644.25 × 28,767.41
  4. Step 4: Simplify right side
    52,640.73x = 2,089,786,698.24
  5. Step 5: Solve for x
    x = 2,089,786,698.24/52,640.73
  6. Step 6: Final answer
    x = 39,699.04

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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.