Finding the Fourth Proportional to 74,067.68, 102,107.04 and 52,810.08
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Solution
The fourth proportional to 74,067.68, 102,107.04 and 52,810.08 is: 72,802.08
Step by Step Solution
- Step 1: Write the proportion equation
74,067.68 : 102,107.04 = 52,810.08 : x - Step 2: Convert to fraction form
74,067.68/102,107.04 = 52,810.08/x - Step 3: Cross multiply
74,067.68x = 102,107.04 × 52,810.08 - Step 4: Simplify right side
74,067.68x = 5,392,280,950.96 - Step 5: Solve for x
x = 5,392,280,950.96/74,067.68 - Step 6: Final answer
x = 72,802.08
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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.