Home / 117,039.38-161,514.24-66,062.84

Finding the Fourth Proportional to 117,039.38, 161,514.24 and 66,062.84

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Solution

The fourth proportional to 117,039.38, 161,514.24 and 66,062.84 is: 91,166.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,039.38 : 161,514.24 = 66,062.84 : x
  2. Step 2: Convert to fraction form
    117,039.38/161,514.24 = 66,062.84/x
  3. Step 3: Cross multiply
    117,039.38x = 161,514.24 × 66,062.84
  4. Step 4: Simplify right side
    117,039.38x = 10,670,089,394.84
  5. Step 5: Solve for x
    x = 10,670,089,394.84/117,039.38
  6. Step 6: Final answer
    x = 91,166.66

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1.5x scale

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.