Finding the Fourth Proportional to 109,265.27, 150,712.58 and 66,749.99
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Solution
The fourth proportional to 109,265.27, 150,712.58 and 66,749.99 is: 92,070.09
Step by Step Solution
- Step 1: Write the proportion equation
109,265.27 : 150,712.58 = 66,749.99 : x - Step 2: Convert to fraction form
109,265.27/150,712.58 = 66,749.99/x - Step 3: Cross multiply
109,265.27x = 150,712.58 × 66,749.99 - Step 4: Simplify right side
109,265.27x = 10,060,062,621.19 - Step 5: Solve for x
x = 10,060,062,621.19/109,265.27 - Step 6: Final answer
x = 92,070.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.