Finding the Fourth Proportional to 74,747.34, 112,121.01 and 27,372.06
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Solution
The fourth proportional to 74,747.34, 112,121.01 and 27,372.06 is: 41,058.09
Step by Step Solution
- Step 1: Write the proportion equation
74,747.34 : 112,121.01 = 27,372.06 : x - Step 2: Convert to fraction form
74,747.34/112,121.01 = 27,372.06/x - Step 3: Cross multiply
74,747.34x = 112,121.01 × 27,372.06 - Step 4: Simplify right side
74,747.34x = 3,068,983,012.98 - Step 5: Solve for x
x = 3,068,983,012.98/74,747.34 - Step 6: Final answer
x = 41,058.09
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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.