Finding the Fourth Proportional to 93.53, 129.07 and 52.08
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Solution
The fourth proportional to 93.53, 129.07 and 52.08 is: 71.87
Step by Step Solution
- Step 1: Write the proportion equation
93.53 : 129.07 = 52.08 : x - Step 2: Convert to fraction form
93.53/129.07 = 52.08/x - Step 3: Cross multiply
93.53x = 129.07 × 52.08 - Step 4: Simplify right side
93.53x = 6,721.97 - Step 5: Solve for x
x = 6,721.97/93.53 - Step 6: Final answer
x = 71.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.