Finding the Fourth Proportional to 125,382.19, 173,039.58 and 71,656.94
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Solution
The fourth proportional to 125,382.19, 173,039.58 and 71,656.94 is: 98,893.53
Step by Step Solution
- Step 1: Write the proportion equation
125,382.19 : 173,039.58 = 71,656.94 : x - Step 2: Convert to fraction form
125,382.19/173,039.58 = 71,656.94/x - Step 3: Cross multiply
125,382.19x = 173,039.58 × 71,656.94 - Step 4: Simplify right side
125,382.19x = 12,399,486,801.69 - Step 5: Solve for x
x = 12,399,486,801.69/125,382.19 - Step 6: Final answer
x = 98,893.53
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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.