Finding the Fourth Proportional to 91,946.13, 137,919.19 and 29,616.63
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Solution
The fourth proportional to 91,946.13, 137,919.19 and 29,616.63 is: 44,424.94
Step by Step Solution
- Step 1: Write the proportion equation
91,946.13 : 137,919.19 = 29,616.63 : x - Step 2: Convert to fraction form
91,946.13/137,919.19 = 29,616.63/x - Step 3: Cross multiply
91,946.13x = 137,919.19 × 29,616.63 - Step 4: Simplify right side
91,946.13x = 4,084,701,620.13 - Step 5: Solve for x
x = 4,084,701,620.13/91,946.13 - Step 6: Final answer
x = 44,424.94
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.