Finding the Fourth Proportional to 106,432.84, 146,883.94 and 58,686.12
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Solution
The fourth proportional to 106,432.84, 146,883.94 and 58,686.12 is: 80,990.50
Step by Step Solution
- Step 1: Write the proportion equation
106,432.84 : 146,883.94 = 58,686.12 : x - Step 2: Convert to fraction form
106,432.84/146,883.94 = 58,686.12/x - Step 3: Cross multiply
106,432.84x = 146,883.94 × 58,686.12 - Step 4: Simplify right side
106,432.84x = 8,620,048,528.91 - Step 5: Solve for x
x = 8,620,048,528.91/106,432.84 - Step 6: Final answer
x = 80,990.50
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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.