Finding the Fourth Proportional to 74,345.63, 102,583.73 and 42,080.09
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Solution
The fourth proportional to 74,345.63, 102,583.73 and 42,080.09 is: 58,063.03
Step by Step Solution
- Step 1: Write the proportion equation
74,345.63 : 102,583.73 = 42,080.09 : x - Step 2: Convert to fraction form
74,345.63/102,583.73 = 42,080.09/x - Step 3: Cross multiply
74,345.63x = 102,583.73 × 42,080.09 - Step 4: Simplify right side
74,345.63x = 4,316,732,183.22 - Step 5: Solve for x
x = 4,316,732,183.22/74,345.63 - Step 6: Final answer
x = 58,063.03
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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.