Home / 68,771.63-94,915.50-38,569.16

Finding the Fourth Proportional to 68,771.63, 94,915.50 and 38,569.16

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Solution

The fourth proportional to 68,771.63, 94,915.50 and 38,569.16 is: 53,231.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,771.63 : 94,915.50 = 38,569.16 : x
  2. Step 2: Convert to fraction form
    68,771.63/94,915.50 = 38,569.16/x
  3. Step 3: Cross multiply
    68,771.63x = 94,915.50 × 38,569.16
  4. Step 4: Simplify right side
    68,771.63x = 3,660,811,198.63
  5. Step 5: Solve for x
    x = 3,660,811,198.63/68,771.63
  6. Step 6: Final answer
    x = 53,231.41

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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.