Finding the Fourth Proportional to 125,802.62, 173,579.11 and 91,829.62
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Solution
The fourth proportional to 125,802.62, 173,579.11 and 91,829.62 is: 126,704.08
Step by Step Solution
- Step 1: Write the proportion equation
125,802.62 : 173,579.11 = 91,829.62 : x - Step 2: Convert to fraction form
125,802.62/173,579.11 = 91,829.62/x - Step 3: Cross multiply
125,802.62x = 173,579.11 × 91,829.62 - Step 4: Simplify right side
125,802.62x = 15,939,704,832.51 - Step 5: Solve for x
x = 15,939,704,832.51/125,802.62 - Step 6: Final answer
x = 126,704.08
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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.