Home / 59,456.89-89,180.74-21,999.39

Finding the Fourth Proportional to 59,456.89, 89,180.74 and 21,999.39

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Solution

The fourth proportional to 59,456.89, 89,180.74 and 21,999.39 is: 32,997.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,456.89 : 89,180.74 = 21,999.39 : x
  2. Step 2: Convert to fraction form
    59,456.89/89,180.74 = 21,999.39/x
  3. Step 3: Cross multiply
    59,456.89x = 89,180.74 × 21,999.39
  4. Step 4: Simplify right side
    59,456.89x = 1,961,921,879.75
  5. Step 5: Solve for x
    x = 1,961,921,879.75/59,456.89
  6. Step 6: Final answer
    x = 32,997.38

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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.