Finding the Fourth Proportional to 86,083.16, 129,132.18 and 23,753.66
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Solution
The fourth proportional to 86,083.16, 129,132.18 and 23,753.66 is: 35,632.54
Step by Step Solution
- Step 1: Write the proportion equation
86,083.16 : 129,132.18 = 23,753.66 : x - Step 2: Convert to fraction form
86,083.16/129,132.18 = 23,753.66/x - Step 3: Cross multiply
86,083.16x = 129,132.18 × 23,753.66 - Step 4: Simplify right side
86,083.16x = 3,067,361,898.78 - Step 5: Solve for x
x = 3,067,361,898.78/86,083.16 - Step 6: Final answer
x = 35,632.54
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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.