Home / 54,371.05-74,994.12-52,542.20

Finding the Fourth Proportional to 54,371.05, 74,994.12 and 52,542.20

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Solution

The fourth proportional to 54,371.05, 74,994.12 and 52,542.20 is: 72,471.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,371.05 : 74,994.12 = 52,542.20 : x
  2. Step 2: Convert to fraction form
    54,371.05/74,994.12 = 52,542.20/x
  3. Step 3: Cross multiply
    54,371.05x = 74,994.12 × 52,542.20
  4. Step 4: Simplify right side
    54,371.05x = 3,940,356,239.35
  5. Step 5: Solve for x
    x = 3,940,356,239.35/54,371.05
  6. Step 6: Final answer
    x = 72,471.59

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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.