Home / 49,625.60-74,456.16-21,176.96

Finding the Fourth Proportional to 49,625.60, 74,456.16 and 21,176.96

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Solution

The fourth proportional to 49,625.60, 74,456.16 and 21,176.96 is: 31,773.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,625.60 : 74,456.16 = 21,176.96 : x
  2. Step 2: Convert to fraction form
    49,625.60/74,456.16 = 21,176.96/x
  3. Step 3: Cross multiply
    49,625.60x = 74,456.16 × 21,176.96
  4. Step 4: Simplify right side
    49,625.60x = 1,576,755,122.07
  5. Step 5: Solve for x
    x = 1,576,755,122.07/49,625.60
  6. Step 6: Final answer
    x = 31,773.02

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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.