Home / 54,745.79-75,551.38-30,548.86

Finding the Fourth Proportional to 54,745.79, 75,551.38 and 30,548.86

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Solution

The fourth proportional to 54,745.79, 75,551.38 and 30,548.86 is: 42,158.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,745.79 : 75,551.38 = 30,548.86 : x
  2. Step 2: Convert to fraction form
    54,745.79/75,551.38 = 30,548.86/x
  3. Step 3: Cross multiply
    54,745.79x = 75,551.38 × 30,548.86
  4. Step 4: Simplify right side
    54,745.79x = 2,308,008,265.18
  5. Step 5: Solve for x
    x = 2,308,008,265.18/54,745.79
  6. Step 6: Final answer
    x = 42,158.65

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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.