Finding the Fourth Proportional to 107.97, 161.99 and 47.06
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Solution
The fourth proportional to 107.97, 161.99 and 47.06 is: 70.61
Step by Step Solution
- Step 1: Write the proportion equation
107.97 : 161.99 = 47.06 : x - Step 2: Convert to fraction form
107.97/161.99 = 47.06/x - Step 3: Cross multiply
107.97x = 161.99 × 47.06 - Step 4: Simplify right side
107.97x = 7,623.25 - Step 5: Solve for x
x = 7,623.25/107.97 - Step 6: Final answer
x = 70.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.