Home / 45,715.98-68,556.25-15,724.52

Finding the Fourth Proportional to 45,715.98, 68,556.25 and 15,724.52

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Solution

The fourth proportional to 45,715.98, 68,556.25 and 15,724.52 is: 23,580.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,715.98 : 68,556.25 = 15,724.52 : x
  2. Step 2: Convert to fraction form
    45,715.98/68,556.25 = 15,724.52/x
  3. Step 3: Cross multiply
    45,715.98x = 68,556.25 × 15,724.52
  4. Step 4: Simplify right side
    45,715.98x = 1,078,013,702.85
  5. Step 5: Solve for x
    x = 1,078,013,702.85/45,715.98
  6. Step 6: Final answer
    x = 23,580.68

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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.