Home / 116,949.76-161,417.28-69,231.04

Finding the Fourth Proportional to 116,949.76, 161,417.28 and 69,231.04

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Solution

The fourth proportional to 116,949.76, 161,417.28 and 69,231.04 is: 95,554.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,949.76 : 161,417.28 = 69,231.04 : x
  2. Step 2: Convert to fraction form
    116,949.76/161,417.28 = 69,231.04/x
  3. Step 3: Cross multiply
    116,949.76x = 161,417.28 × 69,231.04
  4. Step 4: Simplify right side
    116,949.76x = 11,175,086,168.37
  5. Step 5: Solve for x
    x = 11,175,086,168.37/116,949.76
  6. Step 6: Final answer
    x = 95,554.59

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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.