Home / 45,830.98-68,745.21-14,665.78

Finding the Fourth Proportional to 45,830.98, 68,745.21 and 14,665.78

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Solution

The fourth proportional to 45,830.98, 68,745.21 and 14,665.78 is: 21,998.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,830.98 : 68,745.21 = 14,665.78 : x
  2. Step 2: Convert to fraction form
    45,830.98/68,745.21 = 14,665.78/x
  3. Step 3: Cross multiply
    45,830.98x = 68,745.21 × 14,665.78
  4. Step 4: Simplify right side
    45,830.98x = 1,008,202,125.91
  5. Step 5: Solve for x
    x = 1,008,202,125.91/45,830.98
  6. Step 6: Final answer
    x = 21,998.27

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1.5x scale

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.