Home / 116,999.17-161,458.89-66,022.73

Finding the Fourth Proportional to 116,999.17, 161,458.89 and 66,022.73

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Solution

The fourth proportional to 116,999.17, 161,458.89 and 66,022.73 is: 91,111.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,999.17 : 161,458.89 = 66,022.73 : x
  2. Step 2: Convert to fraction form
    116,999.17/161,458.89 = 66,022.73/x
  3. Step 3: Cross multiply
    116,999.17x = 161,458.89 × 66,022.73
  4. Step 4: Simplify right side
    116,999.17x = 10,659,956,251.16
  5. Step 5: Solve for x
    x = 10,659,956,251.16/116,999.17
  6. Step 6: Final answer
    x = 91,111.39

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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.