Finding the Fourth Proportional to 74,837.24, 103,263.60 and 44,601.82
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Solution
The fourth proportional to 74,837.24, 103,263.60 and 44,601.82 is: 61,543.48
Step by Step Solution
- Step 1: Write the proportion equation
74,837.24 : 103,263.60 = 44,601.82 : x - Step 2: Convert to fraction form
74,837.24/103,263.60 = 44,601.82/x - Step 3: Cross multiply
74,837.24x = 103,263.60 × 44,601.82 - Step 4: Simplify right side
74,837.24x = 4,605,744,499.75 - Step 5: Solve for x
x = 4,605,744,499.75/74,837.24 - Step 6: Final answer
x = 61,543.48
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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.