Home / 67,107.78-92,643.39-52,776.54

Finding the Fourth Proportional to 67,107.78, 92,643.39 and 52,776.54

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Solution

The fourth proportional to 67,107.78, 92,643.39 and 52,776.54 is: 72,858.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,107.78 : 92,643.39 = 52,776.54 : x
  2. Step 2: Convert to fraction form
    67,107.78/92,643.39 = 52,776.54/x
  3. Step 3: Cross multiply
    67,107.78x = 92,643.39 × 52,776.54
  4. Step 4: Simplify right side
    67,107.78x = 4,889,397,578.07
  5. Step 5: Solve for x
    x = 4,889,397,578.07/67,107.78
  6. Step 6: Final answer
    x = 72,858.88

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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.