Home / 117,059.60-161,542.79-66,074.48

Finding the Fourth Proportional to 117,059.60, 161,542.79 and 66,074.48

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Solution

The fourth proportional to 117,059.60, 161,542.79 and 66,074.48 is: 91,183.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,059.60 : 161,542.79 = 66,074.48 : x
  2. Step 2: Convert to fraction form
    117,059.60/161,542.79 = 66,074.48/x
  3. Step 3: Cross multiply
    117,059.60x = 161,542.79 × 66,074.48
  4. Step 4: Simplify right side
    117,059.60x = 10,673,854,708.91
  5. Step 5: Solve for x
    x = 10,673,854,708.91/117,059.60
  6. Step 6: Final answer
    x = 91,183.08

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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.