Home / 80,824.35-111,541.05-45,014.36

Finding the Fourth Proportional to 80,824.35, 111,541.05 and 45,014.36

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Solution

The fourth proportional to 80,824.35, 111,541.05 and 45,014.36 is: 62,121.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,824.35 : 111,541.05 = 45,014.36 : x
  2. Step 2: Convert to fraction form
    80,824.35/111,541.05 = 45,014.36/x
  3. Step 3: Cross multiply
    80,824.35x = 111,541.05 × 45,014.36
  4. Step 4: Simplify right side
    80,824.35x = 5,020,949,049.19
  5. Step 5: Solve for x
    x = 5,020,949,049.19/80,824.35
  6. Step 6: Final answer
    x = 62,121.73

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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.