Home / 66,606.26-99,907.07-16,686.78

Finding the Fourth Proportional to 66,606.26, 99,907.07 and 16,686.78

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Solution

The fourth proportional to 66,606.26, 99,907.07 and 16,686.78 is: 25,029.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,606.26 : 99,907.07 = 16,686.78 : x
  2. Step 2: Convert to fraction form
    66,606.26/99,907.07 = 16,686.78/x
  3. Step 3: Cross multiply
    66,606.26x = 99,907.07 × 16,686.78
  4. Step 4: Simplify right side
    66,606.26x = 1,667,127,214.10
  5. Step 5: Solve for x
    x = 1,667,127,214.10/66,606.26
  6. Step 6: Final answer
    x = 25,029.59

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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.