Home / 48,915.21-73,379.22-13,855.17

Finding the Fourth Proportional to 48,915.21, 73,379.22 and 13,855.17

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Solution

The fourth proportional to 48,915.21, 73,379.22 and 13,855.17 is: 20,784.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,915.21 : 73,379.22 = 13,855.17 : x
  2. Step 2: Convert to fraction form
    48,915.21/73,379.22 = 13,855.17/x
  3. Step 3: Cross multiply
    48,915.21x = 73,379.22 × 13,855.17
  4. Step 4: Simplify right side
    48,915.21x = 1,016,681,567.57
  5. Step 5: Solve for x
    x = 1,016,681,567.57/48,915.21
  6. Step 6: Final answer
    x = 20,784.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.