Finding the Fourth Proportional to 86,293.60, 129,440.30 and 27,134.44
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Solution
The fourth proportional to 86,293.60, 129,440.30 and 27,134.44 is: 40,701.63
Step by Step Solution
- Step 1: Write the proportion equation
86,293.60 : 129,440.30 = 27,134.44 : x - Step 2: Convert to fraction form
86,293.60/129,440.30 = 27,134.44/x - Step 3: Cross multiply
86,293.60x = 129,440.30 × 27,134.44 - Step 4: Simplify right side
86,293.60x = 3,512,290,053.93 - Step 5: Solve for x
x = 3,512,290,053.93/86,293.60 - Step 6: Final answer
x = 40,701.63
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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.