Home / 66,129.96-91,273.87-43,471.04

Finding the Fourth Proportional to 66,129.96, 91,273.87 and 43,471.04

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Solution

The fourth proportional to 66,129.96, 91,273.87 and 43,471.04 is: 59,999.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,129.96 : 91,273.87 = 43,471.04 : x
  2. Step 2: Convert to fraction form
    66,129.96/91,273.87 = 43,471.04/x
  3. Step 3: Cross multiply
    66,129.96x = 91,273.87 × 43,471.04
  4. Step 4: Simplify right side
    66,129.96x = 3,967,770,053.72
  5. Step 5: Solve for x
    x = 3,967,770,053.72/66,129.96
  6. Step 6: Final answer
    x = 59,999.59

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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.