Finding the Fourth Proportional to 90,592.03, 135,895.74 and 27,412.68
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Solution
The fourth proportional to 90,592.03, 135,895.74 and 27,412.68 is: 41,121.34
Step by Step Solution
- Step 1: Write the proportion equation
90,592.03 : 135,895.74 = 27,412.68 : x - Step 2: Convert to fraction form
90,592.03/135,895.74 = 27,412.68/x - Step 3: Cross multiply
90,592.03x = 135,895.74 × 27,412.68 - Step 4: Simplify right side
90,592.03x = 3,725,266,114.93 - Step 5: Solve for x
x = 3,725,266,114.93/90,592.03 - Step 6: Final answer
x = 41,121.34
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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.