Finding the Fourth Proportional to 96,531.66, 133,211.91 and 54,090.06
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Solution
The fourth proportional to 96,531.66, 133,211.91 and 54,090.06 is: 74,643.28
Step by Step Solution
- Step 1: Write the proportion equation
96,531.66 : 133,211.91 = 54,090.06 : x - Step 2: Convert to fraction form
96,531.66/133,211.91 = 54,090.06/x - Step 3: Cross multiply
96,531.66x = 133,211.91 × 54,090.06 - Step 4: Simplify right side
96,531.66x = 7,205,440,204.61 - Step 5: Solve for x
x = 7,205,440,204.61/96,531.66 - Step 6: Final answer
x = 74,643.28
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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.