Home / 54,158.32-74,745.48-35,350.12

Finding the Fourth Proportional to 54,158.32, 74,745.48 and 35,350.12

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Solution

The fourth proportional to 54,158.32, 74,745.48 and 35,350.12 is: 48,787.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,158.32 : 74,745.48 = 35,350.12 : x
  2. Step 2: Convert to fraction form
    54,158.32/74,745.48 = 35,350.12/x
  3. Step 3: Cross multiply
    54,158.32x = 74,745.48 × 35,350.12
  4. Step 4: Simplify right side
    54,158.32x = 2,642,261,687.46
  5. Step 5: Solve for x
    x = 2,642,261,687.46/54,158.32
  6. Step 6: Final answer
    x = 48,787.73

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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.