Home / 66,606.33-99,907.17-16,686.85

Finding the Fourth Proportional to 66,606.33, 99,907.17 and 16,686.85

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Solution

The fourth proportional to 66,606.33, 99,907.17 and 16,686.85 is: 25,029.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,606.33 : 99,907.17 = 16,686.85 : x
  2. Step 2: Convert to fraction form
    66,606.33/99,907.17 = 16,686.85/x
  3. Step 3: Cross multiply
    66,606.33x = 99,907.17 × 16,686.85
  4. Step 4: Simplify right side
    66,606.33x = 1,667,135,959.71
  5. Step 5: Solve for x
    x = 1,667,135,959.71/66,606.33
  6. Step 6: Final answer
    x = 25,029.69

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1.5x scale

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.