Finding the Fourth Proportional to 74,573.63, 102,911.81 and 41,039.63
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Solution
The fourth proportional to 74,573.63, 102,911.81 and 41,039.63 is: 56,634.80
Step by Step Solution
- Step 1: Write the proportion equation
74,573.63 : 102,911.81 = 41,039.63 : x - Step 2: Convert to fraction form
74,573.63/102,911.81 = 41,039.63/x - Step 3: Cross multiply
74,573.63x = 102,911.81 × 41,039.63 - Step 4: Simplify right side
74,573.63x = 4,223,462,605.03 - Step 5: Solve for x
x = 4,223,462,605.03/74,573.63 - Step 6: Final answer
x = 56,634.80
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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.