Home / 43,195.32-64,743.57-18,197.91

Finding the Fourth Proportional to 43,195.32, 64,743.57 and 18,197.91

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Solution

The fourth proportional to 43,195.32, 64,743.57 and 18,197.91 is: 27,276.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,195.32 : 64,743.57 = 18,197.91 : x
  2. Step 2: Convert to fraction form
    43,195.32/64,743.57 = 18,197.91/x
  3. Step 3: Cross multiply
    43,195.32x = 64,743.57 × 18,197.91
  4. Step 4: Simplify right side
    43,195.32x = 1,178,197,659.94
  5. Step 5: Solve for x
    x = 1,178,197,659.94/43,195.32
  6. Step 6: Final answer
    x = 27,276.05

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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.