Home / 117,060.16-161,542.83-66,083.62

Finding the Fourth Proportional to 117,060.16, 161,542.83 and 66,083.62

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Solution

The fourth proportional to 117,060.16, 161,542.83 and 66,083.62 is: 91,195.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,060.16 : 161,542.83 = 66,083.62 : x
  2. Step 2: Convert to fraction form
    117,060.16/161,542.83 = 66,083.62/x
  3. Step 3: Cross multiply
    117,060.16x = 161,542.83 × 66,083.62
  4. Step 4: Simplify right side
    117,060.16x = 10,675,334,991.44
  5. Step 5: Solve for x
    x = 10,675,334,991.44/117,060.16
  6. Step 6: Final answer
    x = 91,195.29

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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.