Home / 109,742.13-164,486.12-50,453.37

Finding the Fourth Proportional to 109,742.13, 164,486.12 and 50,453.37

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Solution

The fourth proportional to 109,742.13, 164,486.12 and 50,453.37 is: 75,621.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,742.13 : 164,486.12 = 50,453.37 : x
  2. Step 2: Convert to fraction form
    109,742.13/164,486.12 = 50,453.37/x
  3. Step 3: Cross multiply
    109,742.13x = 164,486.12 × 50,453.37
  4. Step 4: Simplify right side
    109,742.13x = 8,298,878,819.96
  5. Step 5: Solve for x
    x = 8,298,878,819.96/109,742.13
  6. Step 6: Final answer
    x = 75,621.63

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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.