Home / 65,917.98-98,876.19-15,998.61

Finding the Fourth Proportional to 65,917.98, 98,876.19 and 15,998.61

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Solution

The fourth proportional to 65,917.98, 98,876.19 and 15,998.61 is: 23,997.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,917.98 : 98,876.19 = 15,998.61 : x
  2. Step 2: Convert to fraction form
    65,917.98/98,876.19 = 15,998.61/x
  3. Step 3: Cross multiply
    65,917.98x = 98,876.19 × 15,998.61
  4. Step 4: Simplify right side
    65,917.98x = 1,581,881,602.10
  5. Step 5: Solve for x
    x = 1,581,881,602.10/65,917.98
  6. Step 6: Final answer
    x = 23,997.73

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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.