Finding the Fourth Proportional to 104,531.74, 144,276.77 and 68,725.08
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Solution
The fourth proportional to 104,531.74, 144,276.77 and 68,725.08 is: 94,855.72
Step by Step Solution
- Step 1: Write the proportion equation
104,531.74 : 144,276.77 = 68,725.08 : x - Step 2: Convert to fraction form
104,531.74/144,276.77 = 68,725.08/x - Step 3: Cross multiply
104,531.74x = 144,276.77 × 68,725.08 - Step 4: Simplify right side
104,531.74x = 9,915,432,732.20 - Step 5: Solve for x
x = 9,915,432,732.20/104,531.74 - Step 6: Final answer
x = 94,855.72
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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.