Home / 116,893.56-161,309.88-65,905.85

Finding the Fourth Proportional to 116,893.56, 161,309.88 and 65,905.85

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Solution

The fourth proportional to 116,893.56, 161,309.88 and 65,905.85 is: 90,948.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,893.56 : 161,309.88 = 65,905.85 : x
  2. Step 2: Convert to fraction form
    116,893.56/161,309.88 = 65,905.85/x
  3. Step 3: Cross multiply
    116,893.56x = 161,309.88 × 65,905.85
  4. Step 4: Simplify right side
    116,893.56x = 10,631,265,158.07
  5. Step 5: Solve for x
    x = 10,631,265,158.07/116,893.56
  6. Step 6: Final answer
    x = 90,948.25

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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.