Finding the Fourth Proportional to 96,987.26, 133,837.53 and 54,543.26
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Solution
The fourth proportional to 96,987.26, 133,837.53 and 54,543.26 is: 75,266.95
Step by Step Solution
- Step 1: Write the proportion equation
96,987.26 : 133,837.53 = 54,543.26 : x - Step 2: Convert to fraction form
96,987.26/133,837.53 = 54,543.26/x - Step 3: Cross multiply
96,987.26x = 133,837.53 × 54,543.26 - Step 4: Simplify right side
96,987.26x = 7,299,935,196.55 - Step 5: Solve for x
x = 7,299,935,196.55/96,987.26 - Step 6: Final answer
x = 75,266.95
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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.