Finding the Fourth Proportional to 69,293.36, 103,896.48 and 29,291.60
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Solution
The fourth proportional to 69,293.36, 103,896.48 and 29,291.60 is: 43,918.99
Step by Step Solution
- Step 1: Write the proportion equation
69,293.36 : 103,896.48 = 29,291.60 : x - Step 2: Convert to fraction form
69,293.36/103,896.48 = 29,291.60/x - Step 3: Cross multiply
69,293.36x = 103,896.48 × 29,291.60 - Step 4: Simplify right side
69,293.36x = 3,043,294,133.57 - Step 5: Solve for x
x = 3,043,294,133.57/69,293.36 - Step 6: Final answer
x = 43,918.99
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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.