Finding the Fourth Proportional to 76,946.50, 106,230.32 and 58,653.62
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Solution
The fourth proportional to 76,946.50, 106,230.32 and 58,653.62 is: 80,975.65
Step by Step Solution
- Step 1: Write the proportion equation
76,946.50 : 106,230.32 = 58,653.62 : x - Step 2: Convert to fraction form
76,946.50/106,230.32 = 58,653.62/x - Step 3: Cross multiply
76,946.50x = 106,230.32 × 58,653.62 - Step 4: Simplify right side
76,946.50x = 6,230,792,615.65 - Step 5: Solve for x
x = 6,230,792,615.65/76,946.50 - Step 6: Final answer
x = 80,975.65
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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.