Finding the Fourth Proportional to 77,392.92, 116,091.52 and 21,988.92
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Solution
The fourth proportional to 77,392.92, 116,091.52 and 21,988.92 is: 32,983.99
Step by Step Solution
- Step 1: Write the proportion equation
77,392.92 : 116,091.52 = 21,988.92 : x - Step 2: Convert to fraction form
77,392.92/116,091.52 = 21,988.92/x - Step 3: Cross multiply
77,392.92x = 116,091.52 × 21,988.92 - Step 4: Simplify right side
77,392.92x = 2,552,727,145.96 - Step 5: Solve for x
x = 2,552,727,145.96/77,392.92 - Step 6: Final answer
x = 32,983.99
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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.