Home / 73,039.86-109,576.20-23,122.95

Finding the Fourth Proportional to 73,039.86, 109,576.20 and 23,122.95

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Solution

The fourth proportional to 73,039.86, 109,576.20 and 23,122.95 is: 34,689.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,039.86 : 109,576.20 = 23,122.95 : x
  2. Step 2: Convert to fraction form
    73,039.86/109,576.20 = 23,122.95/x
  3. Step 3: Cross multiply
    73,039.86x = 109,576.20 × 23,122.95
  4. Step 4: Simplify right side
    73,039.86x = 2,533,724,993.79
  5. Step 5: Solve for x
    x = 2,533,724,993.79/73,039.86
  6. Step 6: Final answer
    x = 34,689.62

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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.