Finding the Fourth Proportional to 98,452.26, 135,862.38 and 56,009.88
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Solution
The fourth proportional to 98,452.26, 135,862.38 and 56,009.88 is: 77,292.65
Step by Step Solution
- Step 1: Write the proportion equation
98,452.26 : 135,862.38 = 56,009.88 : x - Step 2: Convert to fraction form
98,452.26/135,862.38 = 56,009.88/x - Step 3: Cross multiply
98,452.26x = 135,862.38 × 56,009.88 - Step 4: Simplify right side
98,452.26x = 7,609,635,600.31 - Step 5: Solve for x
x = 7,609,635,600.31/98,452.26 - Step 6: Final answer
x = 77,292.65
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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.