Finding the Fourth Proportional to 78,042.44, 107,698.44 and 44,058.08
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Solution
The fourth proportional to 78,042.44, 107,698.44 and 44,058.08 is: 60,800.08
Step by Step Solution
- Step 1: Write the proportion equation
78,042.44 : 107,698.44 = 44,058.08 : x - Step 2: Convert to fraction form
78,042.44/107,698.44 = 44,058.08/x - Step 3: Cross multiply
78,042.44x = 107,698.44 × 44,058.08 - Step 4: Simplify right side
78,042.44x = 4,744,986,485.40 - Step 5: Solve for x
x = 4,744,986,485.40/78,042.44 - Step 6: Final answer
x = 60,800.08
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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.