Finding the Fourth Proportional to 90,056.36, 135,110.62 and 27,736.04
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Solution
The fourth proportional to 90,056.36, 135,110.62 and 27,736.04 is: 41,612.09
Step by Step Solution
- Step 1: Write the proportion equation
90,056.36 : 135,110.62 = 27,736.04 : x - Step 2: Convert to fraction form
90,056.36/135,110.62 = 27,736.04/x - Step 3: Cross multiply
90,056.36x = 135,110.62 × 27,736.04 - Step 4: Simplify right side
90,056.36x = 3,747,433,560.74 - Step 5: Solve for x
x = 3,747,433,560.74/90,056.36 - Step 6: Final answer
x = 41,612.09
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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.