Home / 67,454.16-101,249.48-39,427.75

Finding the Fourth Proportional to 67,454.16, 101,249.48 and 39,427.75

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Solution

The fourth proportional to 67,454.16, 101,249.48 and 39,427.75 is: 59,181.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,454.16 : 101,249.48 = 39,427.75 : x
  2. Step 2: Convert to fraction form
    67,454.16/101,249.48 = 39,427.75/x
  3. Step 3: Cross multiply
    67,454.16x = 101,249.48 × 39,427.75
  4. Step 4: Simplify right side
    67,454.16x = 3,992,039,185.07
  5. Step 5: Solve for x
    x = 3,992,039,185.07/67,454.16
  6. Step 6: Final answer
    x = 59,181.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.