Home / 43,247.66-64,865.93-13,668.49

Finding the Fourth Proportional to 43,247.66, 64,865.93 and 13,668.49

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Solution

The fourth proportional to 43,247.66, 64,865.93 and 13,668.49 is: 20,500.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,247.66 : 64,865.93 = 13,668.49 : x
  2. Step 2: Convert to fraction form
    43,247.66/64,865.93 = 13,668.49/x
  3. Step 3: Cross multiply
    43,247.66x = 64,865.93 × 13,668.49
  4. Step 4: Simplify right side
    43,247.66x = 886,619,085.04
  5. Step 5: Solve for x
    x = 886,619,085.04/43,247.66
  6. Step 6: Final answer
    x = 20,500.97

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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.