Home / 53,640.41-80,459.25-25,580.30

Finding the Fourth Proportional to 53,640.41, 80,459.25 and 25,580.30

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Solution

The fourth proportional to 53,640.41, 80,459.25 and 25,580.30 is: 38,369.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,640.41 : 80,459.25 = 25,580.30 : x
  2. Step 2: Convert to fraction form
    53,640.41/80,459.25 = 25,580.30/x
  3. Step 3: Cross multiply
    53,640.41x = 80,459.25 × 25,580.30
  4. Step 4: Simplify right side
    53,640.41x = 2,058,171,350.48
  5. Step 5: Solve for x
    x = 2,058,171,350.48/53,640.41
  6. Step 6: Final answer
    x = 38,369.80

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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.