Finding the Fourth Proportional to 86,092.29, 129,140.73 and 26,927.96
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Solution
The fourth proportional to 86,092.29, 129,140.73 and 26,927.96 is: 40,392.65
Step by Step Solution
- Step 1: Write the proportion equation
86,092.29 : 129,140.73 = 26,927.96 : x - Step 2: Convert to fraction form
86,092.29/129,140.73 = 26,927.96/x - Step 3: Cross multiply
86,092.29x = 129,140.73 × 26,927.96 - Step 4: Simplify right side
86,092.29x = 3,477,495,766.11 - Step 5: Solve for x
x = 3,477,495,766.11/86,092.29 - Step 6: Final answer
x = 40,392.65
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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.