Home / 66,295.14-99,449.19-19,561.38

Finding the Fourth Proportional to 66,295.14, 99,449.19 and 19,561.38

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Solution

The fourth proportional to 66,295.14, 99,449.19 and 19,561.38 is: 29,343.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,295.14 : 99,449.19 = 19,561.38 : x
  2. Step 2: Convert to fraction form
    66,295.14/99,449.19 = 19,561.38/x
  3. Step 3: Cross multiply
    66,295.14x = 99,449.19 × 19,561.38
  4. Step 4: Simplify right side
    66,295.14x = 1,945,363,396.28
  5. Step 5: Solve for x
    x = 1,945,363,396.28/66,295.14
  6. Step 6: Final answer
    x = 29,343.98

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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.