Finding the Fourth Proportional to 75,876.84, 104,722.82 and 44,072.36
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Solution
The fourth proportional to 75,876.84, 104,722.82 and 44,072.36 is: 60,827.28
Step by Step Solution
- Step 1: Write the proportion equation
75,876.84 : 104,722.82 = 44,072.36 : x - Step 2: Convert to fraction form
75,876.84/104,722.82 = 44,072.36/x - Step 3: Cross multiply
75,876.84x = 104,722.82 × 44,072.36 - Step 4: Simplify right side
75,876.84x = 4,615,381,823.26 - Step 5: Solve for x
x = 4,615,381,823.26/75,876.84 - Step 6: Final answer
x = 60,827.28
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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.