Home / 45,974.48-68,936.69-14,370.90

Finding the Fourth Proportional to 45,974.48, 68,936.69 and 14,370.90

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Solution

The fourth proportional to 45,974.48, 68,936.69 and 14,370.90 is: 21,548.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,974.48 : 68,936.69 = 14,370.90 : x
  2. Step 2: Convert to fraction form
    45,974.48/68,936.69 = 14,370.90/x
  3. Step 3: Cross multiply
    45,974.48x = 68,936.69 × 14,370.90
  4. Step 4: Simplify right side
    45,974.48x = 990,682,206.47
  5. Step 5: Solve for x
    x = 990,682,206.47/45,974.48
  6. Step 6: Final answer
    x = 21,548.53

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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.