Finding the Fourth Proportional to 99,127.70, 136,733.97 and 58,812.94
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Solution
The fourth proportional to 99,127.70, 136,733.97 and 58,812.94 is: 81,124.92
Step by Step Solution
- Step 1: Write the proportion equation
99,127.70 : 136,733.97 = 58,812.94 : x - Step 2: Convert to fraction form
99,127.70/136,733.97 = 58,812.94/x - Step 3: Cross multiply
99,127.70x = 136,733.97 × 58,812.94 - Step 4: Simplify right side
99,127.70x = 8,041,726,773.57 - Step 5: Solve for x
x = 8,041,726,773.57/99,127.70 - Step 6: Final answer
x = 81,124.92
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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.