Home / 66,657.79-99,983.51-16,736.78

Finding the Fourth Proportional to 66,657.79, 99,983.51 and 16,736.78

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Solution

The fourth proportional to 66,657.79, 99,983.51 and 16,736.78 is: 25,104.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,657.79 : 99,983.51 = 16,736.78 : x
  2. Step 2: Convert to fraction form
    66,657.79/99,983.51 = 16,736.78/x
  3. Step 3: Cross multiply
    66,657.79x = 99,983.51 × 16,736.78
  4. Step 4: Simplify right side
    66,657.79x = 1,673,401,771.27
  5. Step 5: Solve for x
    x = 1,673,401,771.27/66,657.79
  6. Step 6: Final answer
    x = 25,104.37

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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.