Home / 54,327.20-74,974.64-40,874.36

Finding the Fourth Proportional to 54,327.20, 74,974.64 and 40,874.36

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Solution

The fourth proportional to 54,327.20, 74,974.64 and 40,874.36 is: 56,408.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,327.20 : 74,974.64 = 40,874.36 : x
  2. Step 2: Convert to fraction form
    54,327.20/74,974.64 = 40,874.36/x
  3. Step 3: Cross multiply
    54,327.20x = 74,974.64 × 40,874.36
  4. Step 4: Simplify right side
    54,327.20x = 3,064,540,426.23
  5. Step 5: Solve for x
    x = 3,064,540,426.23/54,327.20
  6. Step 6: Final answer
    x = 56,408.95

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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.