Home / 72,949.07-109,382.56-23,019.86

Finding the Fourth Proportional to 72,949.07, 109,382.56 and 23,019.86

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Solution

The fourth proportional to 72,949.07, 109,382.56 and 23,019.86 is: 34,516.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,949.07 : 109,382.56 = 23,019.86 : x
  2. Step 2: Convert to fraction form
    72,949.07/109,382.56 = 23,019.86/x
  3. Step 3: Cross multiply
    72,949.07x = 109,382.56 × 23,019.86
  4. Step 4: Simplify right side
    72,949.07x = 2,517,970,555.63
  5. Step 5: Solve for x
    x = 2,517,970,555.63/72,949.07
  6. Step 6: Final answer
    x = 34,516.83

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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.