Home / 80,649.11-111,295.16-44,838.80

Finding the Fourth Proportional to 80,649.11, 111,295.16 and 44,838.80

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Solution

The fourth proportional to 80,649.11, 111,295.16 and 44,838.80 is: 61,877.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,649.11 : 111,295.16 = 44,838.80 : x
  2. Step 2: Convert to fraction form
    80,649.11/111,295.16 = 44,838.80/x
  3. Step 3: Cross multiply
    80,649.11x = 111,295.16 × 44,838.80
  4. Step 4: Simplify right side
    80,649.11x = 4,990,340,639.54
  5. Step 5: Solve for x
    x = 4,990,340,639.54/80,649.11
  6. Step 6: Final answer
    x = 61,877.20

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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.