Finding the Fourth Proportional to 89,054.56, 133,581.84 and 39,772
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Solution
The fourth proportional to 89,054.56, 133,581.84 and 39,772 is: 59,658
Step by Step Solution
- Step 1: Write the proportion equation
89,054.56 : 133,581.84 = 39,772 : x - Step 2: Convert to fraction form
89,054.56/133,581.84 = 39,772/x - Step 3: Cross multiply
89,054.56x = 133,581.84 × 39,772 - Step 4: Simplify right side
89,054.56x = 5,312,816,940.48 - Step 5: Solve for x
x = 5,312,816,940.48/89,054.56 - Step 6: Final answer
x = 59,658
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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.