Home / 80,226.10-110,730.61-53,369.74

Finding the Fourth Proportional to 80,226.10, 110,730.61 and 53,369.74

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Solution

The fourth proportional to 80,226.10, 110,730.61 and 53,369.74 is: 73,662.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,226.10 : 110,730.61 = 53,369.74 : x
  2. Step 2: Convert to fraction form
    80,226.10/110,730.61 = 53,369.74/x
  3. Step 3: Cross multiply
    80,226.10x = 110,730.61 × 53,369.74
  4. Step 4: Simplify right side
    80,226.10x = 5,909,663,865.74
  5. Step 5: Solve for x
    x = 5,909,663,865.74/80,226.10
  6. Step 6: Final answer
    x = 73,662.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.