Home / 117,004.86-161,452.82-66,014.61

Finding the Fourth Proportional to 117,004.86, 161,452.82 and 66,014.61

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Solution

The fourth proportional to 117,004.86, 161,452.82 and 66,014.61 is: 91,092.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,004.86 : 161,452.82 = 66,014.61 : x
  2. Step 2: Convert to fraction form
    117,004.86/161,452.82 = 66,014.61/x
  3. Step 3: Cross multiply
    117,004.86x = 161,452.82 × 66,014.61
  4. Step 4: Simplify right side
    117,004.86x = 10,658,244,615.63
  5. Step 5: Solve for x
    x = 10,658,244,615.63/117,004.86
  6. Step 6: Final answer
    x = 91,092.32

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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.