Finding the Fourth Proportional to 76,052.18, 104,952.70 and 42,058.92
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Solution
The fourth proportional to 76,052.18, 104,952.70 and 42,058.92 is: 58,041.69
Step by Step Solution
- Step 1: Write the proportion equation
76,052.18 : 104,952.70 = 42,058.92 : x - Step 2: Convert to fraction form
76,052.18/104,952.70 = 42,058.92/x - Step 3: Cross multiply
76,052.18x = 104,952.70 × 42,058.92 - Step 4: Simplify right side
76,052.18x = 4,414,197,213.08 - Step 5: Solve for x
x = 4,414,197,213.08/76,052.18 - Step 6: Final answer
x = 58,041.69
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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.