Home / 43,214.25-64,832.31-12,049.50

Finding the Fourth Proportional to 43,214.25, 64,832.31 and 12,049.50

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Solution

The fourth proportional to 43,214.25, 64,832.31 and 12,049.50 is: 18,077.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,214.25 : 64,832.31 = 12,049.50 : x
  2. Step 2: Convert to fraction form
    43,214.25/64,832.31 = 12,049.50/x
  3. Step 3: Cross multiply
    43,214.25x = 64,832.31 × 12,049.50
  4. Step 4: Simplify right side
    43,214.25x = 781,196,919.35
  5. Step 5: Solve for x
    x = 781,196,919.35/43,214.25
  6. Step 6: Final answer
    x = 18,077.30

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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.