Finding the Fourth Proportional to 125,484.52, 173,092.62 and 74,463.70
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Solution
The fourth proportional to 125,484.52, 173,092.62 and 74,463.70 is: 102,714.80
Step by Step Solution
- Step 1: Write the proportion equation
125,484.52 : 173,092.62 = 74,463.70 : x - Step 2: Convert to fraction form
125,484.52/173,092.62 = 74,463.70/x - Step 3: Cross multiply
125,484.52x = 173,092.62 × 74,463.70 - Step 4: Simplify right side
125,484.52x = 12,889,116,927.89 - Step 5: Solve for x
x = 12,889,116,927.89/125,484.52 - Step 6: Final answer
x = 102,714.80
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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.