Home / 116,850.64-161,265.26-69,119.36

Finding the Fourth Proportional to 116,850.64, 161,265.26 and 69,119.36

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Solution

The fourth proportional to 116,850.64, 161,265.26 and 69,119.36 is: 95,391.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,850.64 : 161,265.26 = 69,119.36 : x
  2. Step 2: Convert to fraction form
    116,850.64/161,265.26 = 69,119.36/x
  3. Step 3: Cross multiply
    116,850.64x = 161,265.26 × 69,119.36
  4. Step 4: Simplify right side
    116,850.64x = 11,146,551,215.84
  5. Step 5: Solve for x
    x = 11,146,551,215.84/116,850.64
  6. Step 6: Final answer
    x = 95,391.45

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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.