Home / 80,628.41-111,268.53-44,331.38

Finding the Fourth Proportional to 80,628.41, 111,268.53 and 44,331.38

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Solution

The fourth proportional to 80,628.41, 111,268.53 and 44,331.38 is: 61,178.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,628.41 : 111,268.53 = 44,331.38 : x
  2. Step 2: Convert to fraction form
    80,628.41/111,268.53 = 44,331.38/x
  3. Step 3: Cross multiply
    80,628.41x = 111,268.53 × 44,331.38
  4. Step 4: Simplify right side
    80,628.41x = 4,932,687,485.47
  5. Step 5: Solve for x
    x = 4,932,687,485.47/80,628.41
  6. Step 6: Final answer
    x = 61,178.03

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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.