Finding the Fourth Proportional to 76,954.92, 106,197.06 and 42,961.23
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Solution
The fourth proportional to 76,954.92, 106,197.06 and 42,961.23 is: 59,286.09
Step by Step Solution
- Step 1: Write the proportion equation
76,954.92 : 106,197.06 = 42,961.23 : x - Step 2: Convert to fraction form
76,954.92/106,197.06 = 42,961.23/x - Step 3: Cross multiply
76,954.92x = 106,197.06 × 42,961.23 - Step 4: Simplify right side
76,954.92x = 4,562,356,319.98 - Step 5: Solve for x
x = 4,562,356,319.98/76,954.92 - Step 6: Final answer
x = 59,286.09
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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.