Home / 80,884.78-111,621.39-46,913.38

Finding the Fourth Proportional to 80,884.78, 111,621.39 and 46,913.38

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Solution

The fourth proportional to 80,884.78, 111,621.39 and 46,913.38 is: 64,740.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,884.78 : 111,621.39 = 46,913.38 : x
  2. Step 2: Convert to fraction form
    80,884.78/111,621.39 = 46,913.38/x
  3. Step 3: Cross multiply
    80,884.78x = 111,621.39 × 46,913.38
  4. Step 4: Simplify right side
    80,884.78x = 5,236,536,685.20
  5. Step 5: Solve for x
    x = 5,236,536,685.20/80,884.78
  6. Step 6: Final answer
    x = 64,740.69

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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.