Finding the Fourth Proportional to 86,083.68, 129,132.95 and 23,754.18
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Solution
The fourth proportional to 86,083.68, 129,132.95 and 23,754.18 is: 35,633.32
Step by Step Solution
- Step 1: Write the proportion equation
86,083.68 : 129,132.95 = 23,754.18 : x - Step 2: Convert to fraction form
86,083.68/129,132.95 = 23,754.18/x - Step 3: Cross multiply
86,083.68x = 129,132.95 × 23,754.18 - Step 4: Simplify right side
86,083.68x = 3,067,447,338.23 - Step 5: Solve for x
x = 3,067,447,338.23/86,083.68 - Step 6: Final answer
x = 35,633.32
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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.