Finding the Fourth Proportional to 67,837.93, 101,761.76 and 17,917.53
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Solution
The fourth proportional to 67,837.93, 101,761.76 and 17,917.53 is: 26,877.58
Step by Step Solution
- Step 1: Write the proportion equation
67,837.93 : 101,761.76 = 17,917.53 : x - Step 2: Convert to fraction form
67,837.93/101,761.76 = 17,917.53/x - Step 3: Cross multiply
67,837.93x = 101,761.76 × 17,917.53 - Step 4: Simplify right side
67,837.93x = 1,823,319,211.06 - Step 5: Solve for x
x = 1,823,319,211.06/67,837.93 - Step 6: Final answer
x = 26,877.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.