Home / 45,631-68,459.46-14,467.06

Finding the Fourth Proportional to 45,631, 68,459.46 and 14,467.06

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Solution

The fourth proportional to 45,631, 68,459.46 and 14,467.06 is: 21,704.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,631 : 68,459.46 = 14,467.06 : x
  2. Step 2: Convert to fraction form
    45,631/68,459.46 = 14,467.06/x
  3. Step 3: Cross multiply
    45,631x = 68,459.46 × 14,467.06
  4. Step 4: Simplify right side
    45,631x = 990,407,115.39
  5. Step 5: Solve for x
    x = 990,407,115.39/45,631
  6. Step 6: Final answer
    x = 21,704.70

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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.