Finding the Fourth Proportional to 106,376.70, 146,799.12 and 58,630.08
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Solution
The fourth proportional to 106,376.70, 146,799.12 and 58,630.08 is: 80,909.11
Step by Step Solution
- Step 1: Write the proportion equation
106,376.70 : 146,799.12 = 58,630.08 : x - Step 2: Convert to fraction form
106,376.70/146,799.12 = 58,630.08/x - Step 3: Cross multiply
106,376.70x = 146,799.12 × 58,630.08 - Step 4: Simplify right side
106,376.70x = 8,606,844,149.53 - Step 5: Solve for x
x = 8,606,844,149.53/106,376.70 - Step 6: Final answer
x = 80,909.11
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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.