Home / 66,606.06-99,906.80-16,686.60

Finding the Fourth Proportional to 66,606.06, 99,906.80 and 16,686.60

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Solution

The fourth proportional to 66,606.06, 99,906.80 and 16,686.60 is: 25,029.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,606.06 : 99,906.80 = 16,686.60 : x
  2. Step 2: Convert to fraction form
    66,606.06/99,906.80 = 16,686.60/x
  3. Step 3: Cross multiply
    66,606.06x = 99,906.80 × 16,686.60
  4. Step 4: Simplify right side
    66,606.06x = 1,667,104,725.45
  5. Step 5: Solve for x
    x = 1,667,104,725.45/66,606.06
  6. Step 6: Final answer
    x = 25,029.33

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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.