Finding the Fourth Proportional to 98,361.24, 135,750.02 and 55,926.15
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Solution
The fourth proportional to 98,361.24, 135,750.02 and 55,926.15 is: 77,184.63
Step by Step Solution
- Step 1: Write the proportion equation
98,361.24 : 135,750.02 = 55,926.15 : x - Step 2: Convert to fraction form
98,361.24/135,750.02 = 55,926.15/x - Step 3: Cross multiply
98,361.24x = 135,750.02 × 55,926.15 - Step 4: Simplify right side
98,361.24x = 7,591,975,981.02 - Step 5: Solve for x
x = 7,591,975,981.02/98,361.24 - Step 6: Final answer
x = 77,184.63
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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.