Home / 80,240.22-110,613.47-61,086.56

Finding the Fourth Proportional to 80,240.22, 110,613.47 and 61,086.56

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Solution

The fourth proportional to 80,240.22, 110,613.47 and 61,086.56 is: 84,209.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,240.22 : 110,613.47 = 61,086.56 : x
  2. Step 2: Convert to fraction form
    80,240.22/110,613.47 = 61,086.56/x
  3. Step 3: Cross multiply
    80,240.22x = 110,613.47 × 61,086.56
  4. Step 4: Simplify right side
    80,240.22x = 6,756,995,513.46
  5. Step 5: Solve for x
    x = 6,756,995,513.46/80,240.22
  6. Step 6: Final answer
    x = 84,209.58

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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.