Home / 66,606.51-99,907.45-16,687.03

Finding the Fourth Proportional to 66,606.51, 99,907.45 and 16,687.03

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Solution

The fourth proportional to 66,606.51, 99,907.45 and 16,687.03 is: 25,029.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,606.51 : 99,907.45 = 16,687.03 : x
  2. Step 2: Convert to fraction form
    66,606.51/99,907.45 = 16,687.03/x
  3. Step 3: Cross multiply
    66,606.51x = 99,907.45 × 16,687.03
  4. Step 4: Simplify right side
    66,606.51x = 1,667,158,615.37
  5. Step 5: Solve for x
    x = 1,667,158,615.37/66,606.51
  6. Step 6: Final answer
    x = 25,029.97

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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.