Finding the Fourth Proportional to 79,671.11, 119,419.18 and 27,040.95
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Solution
The fourth proportional to 79,671.11, 119,419.18 and 27,040.95 is: 40,531.73
Step by Step Solution
- Step 1: Write the proportion equation
79,671.11 : 119,419.18 = 27,040.95 : x - Step 2: Convert to fraction form
79,671.11/119,419.18 = 27,040.95/x - Step 3: Cross multiply
79,671.11x = 119,419.18 × 27,040.95 - Step 4: Simplify right side
79,671.11x = 3,229,208,075.42 - Step 5: Solve for x
x = 3,229,208,075.42/79,671.11 - Step 6: Final answer
x = 40,531.73
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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.