Home / 54,122.18-74,640.24-33,980.94

Finding the Fourth Proportional to 54,122.18, 74,640.24 and 33,980.94

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Solution

The fourth proportional to 54,122.18, 74,640.24 and 33,980.94 is: 46,863.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,122.18 : 74,640.24 = 33,980.94 : x
  2. Step 2: Convert to fraction form
    54,122.18/74,640.24 = 33,980.94/x
  3. Step 3: Cross multiply
    54,122.18x = 74,640.24 × 33,980.94
  4. Step 4: Simplify right side
    54,122.18x = 2,536,345,517.03
  5. Step 5: Solve for x
    x = 2,536,345,517.03/54,122.18
  6. Step 6: Final answer
    x = 46,863.33

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Half scale
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Double scale
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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.