Home / 80,197.11-110,668.05-45,743.19

Finding the Fourth Proportional to 80,197.11, 110,668.05 and 45,743.19

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Solution

The fourth proportional to 80,197.11, 110,668.05 and 45,743.19 is: 63,123.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,197.11 : 110,668.05 = 45,743.19 : x
  2. Step 2: Convert to fraction form
    80,197.11/110,668.05 = 45,743.19/x
  3. Step 3: Cross multiply
    80,197.11x = 110,668.05 × 45,743.19
  4. Step 4: Simplify right side
    80,197.11x = 5,062,309,638.08
  5. Step 5: Solve for x
    x = 5,062,309,638.08/80,197.11
  6. Step 6: Final answer
    x = 63,123.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.