Finding the Fourth Proportional to 90,222.63, 135,284.99 and 27,033.99
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Solution
The fourth proportional to 90,222.63, 135,284.99 and 27,033.99 is: 40,536.31
Step by Step Solution
- Step 1: Write the proportion equation
90,222.63 : 135,284.99 = 27,033.99 : x - Step 2: Convert to fraction form
90,222.63/135,284.99 = 27,033.99/x - Step 3: Cross multiply
90,222.63x = 135,284.99 × 27,033.99 - Step 4: Simplify right side
90,222.63x = 3,657,292,931.64 - Step 5: Solve for x
x = 3,657,292,931.64/90,222.63 - Step 6: Final answer
x = 40,536.31
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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.