Home / 116,986.75-161,441.24-65,999.48

Finding the Fourth Proportional to 116,986.75, 161,441.24 and 65,999.48

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Solution

The fourth proportional to 116,986.75, 161,441.24 and 65,999.48 is: 91,079.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,986.75 : 161,441.24 = 65,999.48 : x
  2. Step 2: Convert to fraction form
    116,986.75/161,441.24 = 65,999.48/x
  3. Step 3: Cross multiply
    116,986.75x = 161,441.24 × 65,999.48
  4. Step 4: Simplify right side
    116,986.75x = 10,655,036,753.35
  5. Step 5: Solve for x
    x = 10,655,036,753.35/116,986.75
  6. Step 6: Final answer
    x = 91,079.01

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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.