Finding the Fourth Proportional to 89,161.84, 133,711.74 and 35,837.99
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Solution
The fourth proportional to 89,161.84, 133,711.74 and 35,837.99 is: 53,744.51
Step by Step Solution
- Step 1: Write the proportion equation
89,161.84 : 133,711.74 = 35,837.99 : x - Step 2: Convert to fraction form
89,161.84/133,711.74 = 35,837.99/x - Step 3: Cross multiply
89,161.84x = 133,711.74 × 35,837.99 - Step 4: Simplify right side
89,161.84x = 4,791,959,332.44 - Step 5: Solve for x
x = 4,791,959,332.44/89,161.84 - Step 6: Final answer
x = 53,744.51
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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.