Home / 80,824.41-111,541.14-45,014.43

Finding the Fourth Proportional to 80,824.41, 111,541.14 and 45,014.43

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Solution

The fourth proportional to 80,824.41, 111,541.14 and 45,014.43 is: 62,121.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,824.41 : 111,541.14 = 45,014.43 : x
  2. Step 2: Convert to fraction form
    80,824.41/111,541.14 = 45,014.43/x
  3. Step 3: Cross multiply
    80,824.41x = 111,541.14 × 45,014.43
  4. Step 4: Simplify right side
    80,824.41x = 5,020,960,168.41
  5. Step 5: Solve for x
    x = 5,020,960,168.41/80,824.41
  6. Step 6: Final answer
    x = 62,121.83

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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.