Finding the Fourth Proportional to 75,566.08, 104,311.92 and 48,710.08
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Solution
The fourth proportional to 75,566.08, 104,311.92 and 48,710.08 is: 67,239.72
Step by Step Solution
- Step 1: Write the proportion equation
75,566.08 : 104,311.92 = 48,710.08 : x - Step 2: Convert to fraction form
75,566.08/104,311.92 = 48,710.08/x - Step 3: Cross multiply
75,566.08x = 104,311.92 × 48,710.08 - Step 4: Simplify right side
75,566.08x = 5,081,041,968.15 - Step 5: Solve for x
x = 5,081,041,968.15/75,566.08 - Step 6: Final answer
x = 67,239.72
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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.