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Finding the Fourth Proportional to 45,377.69, 68,066.39 and 12,097.89

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Solution

The fourth proportional to 45,377.69, 68,066.39 and 12,097.89 is: 18,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,377.69 : 68,066.39 = 12,097.89 : x
  2. Step 2: Convert to fraction form
    45,377.69/68,066.39 = 12,097.89/x
  3. Step 3: Cross multiply
    45,377.69x = 68,066.39 × 12,097.89
  4. Step 4: Simplify right side
    45,377.69x = 823,459,729.16
  5. Step 5: Solve for x
    x = 823,459,729.16/45,377.69
  6. Step 6: Final answer
    x = 18,146.80

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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.