Home / 109,740.62-164,483.87-50,451.86

Finding the Fourth Proportional to 109,740.62, 164,483.87 and 50,451.86

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Solution

The fourth proportional to 109,740.62, 164,483.87 and 50,451.86 is: 75,619.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,740.62 : 164,483.87 = 50,451.86 : x
  2. Step 2: Convert to fraction form
    109,740.62/164,483.87 = 50,451.86/x
  3. Step 3: Cross multiply
    109,740.62x = 164,483.87 × 50,451.86
  4. Step 4: Simplify right side
    109,740.62x = 8,298,517,340.45
  5. Step 5: Solve for x
    x = 8,298,517,340.45/109,740.62
  6. Step 6: Final answer
    x = 75,619.38

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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.