Finding the Fourth Proportional to 74,904.93, 103,356.14 and 48,042.09
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Solution
The fourth proportional to 74,904.93, 103,356.14 and 48,042.09 is: 66,289.96
Step by Step Solution
- Step 1: Write the proportion equation
74,904.93 : 103,356.14 = 48,042.09 : x - Step 2: Convert to fraction form
74,904.93/103,356.14 = 48,042.09/x - Step 3: Cross multiply
74,904.93x = 103,356.14 × 48,042.09 - Step 4: Simplify right side
74,904.93x = 4,965,444,739.72 - Step 5: Solve for x
x = 4,965,444,739.72/74,904.93 - Step 6: Final answer
x = 66,289.96
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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.