Finding the Fourth Proportional to 106,409.92, 146,848.84 and 58,663.84
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Solution
The fourth proportional to 106,409.92, 146,848.84 and 58,663.84 is: 80,957.84
Step by Step Solution
- Step 1: Write the proportion equation
106,409.92 : 146,848.84 = 58,663.84 : x - Step 2: Convert to fraction form
106,409.92/146,848.84 = 58,663.84/x - Step 3: Cross multiply
106,409.92x = 146,848.84 × 58,663.84 - Step 4: Simplify right side
106,409.92x = 8,614,716,853.95 - Step 5: Solve for x
x = 8,614,716,853.95/106,409.92 - Step 6: Final answer
x = 80,957.84
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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.