Home / 66,441.44-99,645.14-19,683.38

Finding the Fourth Proportional to 66,441.44, 99,645.14 and 19,683.38

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Solution

The fourth proportional to 66,441.44, 99,645.14 and 19,683.38 is: 29,520.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,441.44 : 99,645.14 = 19,683.38 : x
  2. Step 2: Convert to fraction form
    66,441.44/99,645.14 = 19,683.38/x
  3. Step 3: Cross multiply
    66,441.44x = 99,645.14 × 19,683.38
  4. Step 4: Simplify right side
    66,441.44x = 1,961,352,706.76
  5. Step 5: Solve for x
    x = 1,961,352,706.76/66,441.44
  6. Step 6: Final answer
    x = 29,520.02

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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.