Home / 68,999.36-103,538.93-29,015.19

Finding the Fourth Proportional to 68,999.36, 103,538.93 and 29,015.19

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Solution

The fourth proportional to 68,999.36, 103,538.93 and 29,015.19 is: 43,539.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,999.36 : 103,538.93 = 29,015.19 : x
  2. Step 2: Convert to fraction form
    68,999.36/103,538.93 = 29,015.19/x
  3. Step 3: Cross multiply
    68,999.36x = 103,538.93 × 29,015.19
  4. Step 4: Simplify right side
    68,999.36x = 3,004,201,581.27
  5. Step 5: Solve for x
    x = 3,004,201,581.27/68,999.36
  6. Step 6: Final answer
    x = 43,539.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.