Finding the Fourth Proportional to 87,946.44, 121,368.42 and 50,219.88
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Solution
The fourth proportional to 87,946.44, 121,368.42 and 50,219.88 is: 69,304.77
Step by Step Solution
- Step 1: Write the proportion equation
87,946.44 : 121,368.42 = 50,219.88 : x - Step 2: Convert to fraction form
87,946.44/121,368.42 = 50,219.88/x - Step 3: Cross multiply
87,946.44x = 121,368.42 × 50,219.88 - Step 4: Simplify right side
87,946.44x = 6,095,107,488.19 - Step 5: Solve for x
x = 6,095,107,488.19/87,946.44 - Step 6: Final answer
x = 69,304.77
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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.