Home / 68,558.81-94,611.37-38,344.64

Finding the Fourth Proportional to 68,558.81, 94,611.37 and 38,344.64

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Solution

The fourth proportional to 68,558.81, 94,611.37 and 38,344.64 is: 52,915.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,558.81 : 94,611.37 = 38,344.64 : x
  2. Step 2: Convert to fraction form
    68,558.81/94,611.37 = 38,344.64/x
  3. Step 3: Cross multiply
    68,558.81x = 94,611.37 × 38,344.64
  4. Step 4: Simplify right side
    68,558.81x = 3,627,838,849.88
  5. Step 5: Solve for x
    x = 3,627,838,849.88/68,558.81
  6. Step 6: Final answer
    x = 52,915.72

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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.