Home / 116,845.50-161,246.79-66,549.18

Finding the Fourth Proportional to 116,845.50, 161,246.79 and 66,549.18

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Solution

The fourth proportional to 116,845.50, 161,246.79 and 66,549.18 is: 91,837.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,845.50 : 161,246.79 = 66,549.18 : x
  2. Step 2: Convert to fraction form
    116,845.50/161,246.79 = 66,549.18/x
  3. Step 3: Cross multiply
    116,845.50x = 161,246.79 × 66,549.18
  4. Step 4: Simplify right side
    116,845.50x = 10,730,841,652.13
  5. Step 5: Solve for x
    x = 10,730,841,652.13/116,845.50
  6. Step 6: Final answer
    x = 91,837.87

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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.