Home / 80,968.91-111,737.28-45,161.24

Finding the Fourth Proportional to 80,968.91, 111,737.28 and 45,161.24

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Solution

The fourth proportional to 80,968.91, 111,737.28 and 45,161.24 is: 62,322.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,968.91 : 111,737.28 = 45,161.24 : x
  2. Step 2: Convert to fraction form
    80,968.91/111,737.28 = 45,161.24/x
  3. Step 3: Cross multiply
    80,968.91x = 111,737.28 × 45,161.24
  4. Step 4: Simplify right side
    80,968.91x = 5,046,193,560.34
  5. Step 5: Solve for x
    x = 5,046,193,560.34/80,968.91
  6. Step 6: Final answer
    x = 62,322.61

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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.