Home / 67,351.94-92,939.10-39,054.50

Finding the Fourth Proportional to 67,351.94, 92,939.10 and 39,054.50

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Solution

The fourth proportional to 67,351.94, 92,939.10 and 39,054.50 is: 53,891.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,351.94 : 92,939.10 = 39,054.50 : x
  2. Step 2: Convert to fraction form
    67,351.94/92,939.10 = 39,054.50/x
  3. Step 3: Cross multiply
    67,351.94x = 92,939.10 × 39,054.50
  4. Step 4: Simplify right side
    67,351.94x = 3,629,690,080.95
  5. Step 5: Solve for x
    x = 3,629,690,080.95/67,351.94
  6. Step 6: Final answer
    x = 53,891.40

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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.