Finding the Fourth Proportional to 93.67, 129.36 and 73.19
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Solution
The fourth proportional to 93.67, 129.36 and 73.19 is: 101.08
Step by Step Solution
- Step 1: Write the proportion equation
93.67 : 129.36 = 73.19 : x - Step 2: Convert to fraction form
93.67/129.36 = 73.19/x - Step 3: Cross multiply
93.67x = 129.36 × 73.19 - Step 4: Simplify right side
93.67x = 9,467.86 - Step 5: Solve for x
x = 9,467.86/93.67 - Step 6: Final answer
x = 101.08
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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.