Home / 90,484.67-124,869-50,198.44

Finding the Fourth Proportional to 90,484.67, 124,869 and 50,198.44

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Solution

The fourth proportional to 90,484.67, 124,869 and 50,198.44 is: 69,273.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,484.67 : 124,869 = 50,198.44 : x
  2. Step 2: Convert to fraction form
    90,484.67/124,869 = 50,198.44/x
  3. Step 3: Cross multiply
    90,484.67x = 124,869 × 50,198.44
  4. Step 4: Simplify right side
    90,484.67x = 6,268,229,004.36
  5. Step 5: Solve for x
    x = 6,268,229,004.36/90,484.67
  6. Step 6: Final answer
    x = 69,273.93

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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.