Home / 66,519.58-99,775.72-40,217.26

Finding the Fourth Proportional to 66,519.58, 99,775.72 and 40,217.26

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Solution

The fourth proportional to 66,519.58, 99,775.72 and 40,217.26 is: 60,323.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,519.58 : 99,775.72 = 40,217.26 : x
  2. Step 2: Convert to fraction form
    66,519.58/99,775.72 = 40,217.26/x
  3. Step 3: Cross multiply
    66,519.58x = 99,775.72 × 40,217.26
  4. Step 4: Simplify right side
    66,519.58x = 4,012,706,072.93
  5. Step 5: Solve for x
    x = 4,012,706,072.93/66,519.58
  6. Step 6: Final answer
    x = 60,323.68

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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.