Home / 69,084.96-103,629.66-19,165.56

Finding the Fourth Proportional to 69,084.96, 103,629.66 and 19,165.56

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Solution

The fourth proportional to 69,084.96, 103,629.66 and 19,165.56 is: 28,748.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,084.96 : 103,629.66 = 19,165.56 : x
  2. Step 2: Convert to fraction form
    69,084.96/103,629.66 = 19,165.56/x
  3. Step 3: Cross multiply
    69,084.96x = 103,629.66 × 19,165.56
  4. Step 4: Simplify right side
    69,084.96x = 1,986,120,466.51
  5. Step 5: Solve for x
    x = 1,986,120,466.51/69,084.96
  6. Step 6: Final answer
    x = 28,748.96

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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.