Home / 54,161.70-74,745.17-30,288.32

Finding the Fourth Proportional to 54,161.70, 74,745.17 and 30,288.32

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Solution

The fourth proportional to 54,161.70, 74,745.17 and 30,288.32 is: 41,799.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,161.70 : 74,745.17 = 30,288.32 : x
  2. Step 2: Convert to fraction form
    54,161.70/74,745.17 = 30,288.32/x
  3. Step 3: Cross multiply
    54,161.70x = 74,745.17 × 30,288.32
  4. Step 4: Simplify right side
    54,161.70x = 2,263,905,102.25
  5. Step 5: Solve for x
    x = 2,263,905,102.25/54,161.70
  6. Step 6: Final answer
    x = 41,799.00

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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.