Home / 66,850.51-100,275.94-16,930.61

Finding the Fourth Proportional to 66,850.51, 100,275.94 and 16,930.61

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Solution

The fourth proportional to 66,850.51, 100,275.94 and 16,930.61 is: 25,395.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,850.51 : 100,275.94 = 16,930.61 : x
  2. Step 2: Convert to fraction form
    66,850.51/100,275.94 = 16,930.61/x
  3. Step 3: Cross multiply
    66,850.51x = 100,275.94 × 16,930.61
  4. Step 4: Simplify right side
    66,850.51x = 1,697,732,832.52
  5. Step 5: Solve for x
    x = 1,697,732,832.52/66,850.51
  6. Step 6: Final answer
    x = 25,395.96

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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.