Finding the Fourth Proportional to 79.26, 118.95 and 73.14
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Solution
The fourth proportional to 79.26, 118.95 and 73.14 is: 109.77
Step by Step Solution
- Step 1: Write the proportion equation
79.26 : 118.95 = 73.14 : x - Step 2: Convert to fraction form
79.26/118.95 = 73.14/x - Step 3: Cross multiply
79.26x = 118.95 × 73.14 - Step 4: Simplify right side
79.26x = 8,700.00 - Step 5: Solve for x
x = 8,700.00/79.26 - Step 6: Final answer
x = 109.77
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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.