Home / 117,010.53-161,456.49-66,019.23

Finding the Fourth Proportional to 117,010.53, 161,456.49 and 66,019.23

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Solution

The fourth proportional to 117,010.53, 161,456.49 and 66,019.23 is: 91,096.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,010.53 : 161,456.49 = 66,019.23 : x
  2. Step 2: Convert to fraction form
    117,010.53/161,456.49 = 66,019.23/x
  3. Step 3: Cross multiply
    117,010.53x = 161,456.49 × 66,019.23
  4. Step 4: Simplify right side
    117,010.53x = 10,659,233,148.30
  5. Step 5: Solve for x
    x = 10,659,233,148.30/117,010.53
  6. Step 6: Final answer
    x = 91,096.36

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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.