Home / 80,680.77-111,338.69-44,869.05

Finding the Fourth Proportional to 80,680.77, 111,338.69 and 44,869.05

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Solution

The fourth proportional to 80,680.77, 111,338.69 and 44,869.05 is: 61,918.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,680.77 : 111,338.69 = 44,869.05 : x
  2. Step 2: Convert to fraction form
    80,680.77/111,338.69 = 44,869.05/x
  3. Step 3: Cross multiply
    80,680.77x = 111,338.69 × 44,869.05
  4. Step 4: Simplify right side
    80,680.77x = 4,995,661,024.20
  5. Step 5: Solve for x
    x = 4,995,661,024.20/80,680.77
  6. Step 6: Final answer
    x = 61,918.86

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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.