Finding the Fourth Proportional to 86,263.74, 129,394.32 and 27,102.96
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Solution
The fourth proportional to 86,263.74, 129,394.32 and 27,102.96 is: 40,654.03
Step by Step Solution
- Step 1: Write the proportion equation
86,263.74 : 129,394.32 = 27,102.96 : x - Step 2: Convert to fraction form
86,263.74/129,394.32 = 27,102.96/x - Step 3: Cross multiply
86,263.74x = 129,394.32 × 27,102.96 - Step 4: Simplify right side
86,263.74x = 3,506,969,079.19 - Step 5: Solve for x
x = 3,506,969,079.19/86,263.74 - Step 6: Final answer
x = 40,654.03
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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.