Home / 53,788.86-74,231.37-29,916

Finding the Fourth Proportional to 53,788.86, 74,231.37 and 29,916

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Solution

The fourth proportional to 53,788.86, 74,231.37 and 29,916 is: 41,285.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,788.86 : 74,231.37 = 29,916 : x
  2. Step 2: Convert to fraction form
    53,788.86/74,231.37 = 29,916/x
  3. Step 3: Cross multiply
    53,788.86x = 74,231.37 × 29,916
  4. Step 4: Simplify right side
    53,788.86x = 2,220,705,664.92
  5. Step 5: Solve for x
    x = 2,220,705,664.92/53,788.86
  6. Step 6: Final answer
    x = 41,285.61

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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.