Home / 68,776.41-94,911.39-38,561.64

Finding the Fourth Proportional to 68,776.41, 94,911.39 and 38,561.64

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Solution

The fourth proportional to 68,776.41, 94,911.39 and 38,561.64 is: 53,215.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,776.41 : 94,911.39 = 38,561.64 : x
  2. Step 2: Convert to fraction form
    68,776.41/94,911.39 = 38,561.64/x
  3. Step 3: Cross multiply
    68,776.41x = 94,911.39 × 38,561.64
  4. Step 4: Simplify right side
    68,776.41x = 3,659,938,853.08
  5. Step 5: Solve for x
    x = 3,659,938,853.08/68,776.41
  6. Step 6: Final answer
    x = 53,215.03

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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.