Home / 69,120.38-103,705.54-24,148.40

Finding the Fourth Proportional to 69,120.38, 103,705.54 and 24,148.40

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Solution

The fourth proportional to 69,120.38, 103,705.54 and 24,148.40 is: 36,231.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,120.38 : 103,705.54 = 24,148.40 : x
  2. Step 2: Convert to fraction form
    69,120.38/103,705.54 = 24,148.40/x
  3. Step 3: Cross multiply
    69,120.38x = 103,705.54 × 24,148.40
  4. Step 4: Simplify right side
    69,120.38x = 2,504,322,862.14
  5. Step 5: Solve for x
    x = 2,504,322,862.14/69,120.38
  6. Step 6: Final answer
    x = 36,231.32

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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.