Home / 52,515.78-78,773.52-13,072.86

Finding the Fourth Proportional to 52,515.78, 78,773.52 and 13,072.86

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Solution

The fourth proportional to 52,515.78, 78,773.52 and 13,072.86 is: 19,609.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,515.78 : 78,773.52 = 13,072.86 : x
  2. Step 2: Convert to fraction form
    52,515.78/78,773.52 = 13,072.86/x
  3. Step 3: Cross multiply
    52,515.78x = 78,773.52 × 13,072.86
  4. Step 4: Simplify right side
    52,515.78x = 1,029,795,198.67
  5. Step 5: Solve for x
    x = 1,029,795,198.67/52,515.78
  6. Step 6: Final answer
    x = 19,609.25

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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.