Home / 67,318.76-92,915.94-39,040.04

Finding the Fourth Proportional to 67,318.76, 92,915.94 and 39,040.04

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Solution

The fourth proportional to 67,318.76, 92,915.94 and 39,040.04 is: 53,884.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,318.76 : 92,915.94 = 39,040.04 : x
  2. Step 2: Convert to fraction form
    67,318.76/92,915.94 = 39,040.04/x
  3. Step 3: Cross multiply
    67,318.76x = 92,915.94 × 39,040.04
  4. Step 4: Simplify right side
    67,318.76x = 3,627,442,014.24
  5. Step 5: Solve for x
    x = 3,627,442,014.24/67,318.76
  6. Step 6: Final answer
    x = 53,884.56

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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.