Home / 116,739.94-161,101.29-69,016.90

Finding the Fourth Proportional to 116,739.94, 161,101.29 and 69,016.90

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Solution

The fourth proportional to 116,739.94, 161,101.29 and 69,016.90 is: 95,243.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,739.94 : 161,101.29 = 69,016.90 : x
  2. Step 2: Convert to fraction form
    116,739.94/161,101.29 = 69,016.90/x
  3. Step 3: Cross multiply
    116,739.94x = 161,101.29 × 69,016.90
  4. Step 4: Simplify right side
    116,739.94x = 11,118,711,621.80
  5. Step 5: Solve for x
    x = 11,118,711,621.80/116,739.94
  6. Step 6: Final answer
    x = 95,243.42

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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.