Home / 80,050.83-110,521.10-49,880.48

Finding the Fourth Proportional to 80,050.83, 110,521.10 and 49,880.48

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Solution

The fourth proportional to 80,050.83, 110,521.10 and 49,880.48 is: 68,866.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,050.83 : 110,521.10 = 49,880.48 : x
  2. Step 2: Convert to fraction form
    80,050.83/110,521.10 = 49,880.48/x
  3. Step 3: Cross multiply
    80,050.83x = 110,521.10 × 49,880.48
  4. Step 4: Simplify right side
    80,050.83x = 5,512,844,716.12
  5. Step 5: Solve for x
    x = 5,512,844,716.12/80,050.83
  6. Step 6: Final answer
    x = 68,866.80

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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.