Finding the Fourth Proportional to 90,029.99, 135,042.08 and 26,850.64
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Solution
The fourth proportional to 90,029.99, 135,042.08 and 26,850.64 is: 40,275.09
Step by Step Solution
- Step 1: Write the proportion equation
90,029.99 : 135,042.08 = 26,850.64 : x - Step 2: Convert to fraction form
90,029.99/135,042.08 = 26,850.64/x - Step 3: Cross multiply
90,029.99x = 135,042.08 × 26,850.64 - Step 4: Simplify right side
90,029.99x = 3,625,966,274.93 - Step 5: Solve for x
x = 3,625,966,274.93/90,029.99 - Step 6: Final answer
x = 40,275.09
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Similar ratio
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1.5x scale
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.