Finding the Fourth Proportional to 74,596.79, 102,943.59 and 41,062.79
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Solution
The fourth proportional to 74,596.79, 102,943.59 and 41,062.79 is: 56,666.66
Step by Step Solution
- Step 1: Write the proportion equation
74,596.79 : 102,943.59 = 41,062.79 : x - Step 2: Convert to fraction form
74,596.79/102,943.59 = 41,062.79/x - Step 3: Cross multiply
74,596.79x = 102,943.59 × 41,062.79 - Step 4: Simplify right side
74,596.79x = 4,227,151,018.02 - Step 5: Solve for x
x = 4,227,151,018.02/74,596.79 - Step 6: Final answer
x = 56,666.66
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1.5x scale
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.