Finding the Fourth Proportional to 98,827.22, 136,381.39 and 53,505.19
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Solution
The fourth proportional to 98,827.22, 136,381.39 and 53,505.19 is: 73,837.07
Step by Step Solution
- Step 1: Write the proportion equation
98,827.22 : 136,381.39 = 53,505.19 : x - Step 2: Convert to fraction form
98,827.22/136,381.39 = 53,505.19/x - Step 3: Cross multiply
98,827.22x = 136,381.39 × 53,505.19 - Step 4: Simplify right side
98,827.22x = 7,297,112,184.41 - Step 5: Solve for x
x = 7,297,112,184.41/98,827.22 - Step 6: Final answer
x = 73,837.07
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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.