Finding the Fourth Proportional to 104,691.88, 157,053.35 and 48,537.64
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Solution
The fourth proportional to 104,691.88, 157,053.35 and 48,537.64 is: 72,813.66
Step by Step Solution
- Step 1: Write the proportion equation
104,691.88 : 157,053.35 = 48,537.64 : x - Step 2: Convert to fraction form
104,691.88/157,053.35 = 48,537.64/x - Step 3: Cross multiply
104,691.88x = 157,053.35 × 48,537.64 - Step 4: Simplify right side
104,691.88x = 7,622,998,963.09 - Step 5: Solve for x
x = 7,622,998,963.09/104,691.88 - Step 6: Final answer
x = 72,813.66
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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.