Finding the Fourth Proportional to 106,612.44, 147,124.14 and 58,864.77
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Solution
The fourth proportional to 106,612.44, 147,124.14 and 58,864.77 is: 81,232.82
Step by Step Solution
- Step 1: Write the proportion equation
106,612.44 : 147,124.14 = 58,864.77 : x - Step 2: Convert to fraction form
106,612.44/147,124.14 = 58,864.77/x - Step 3: Cross multiply
106,612.44x = 147,124.14 × 58,864.77 - Step 4: Simplify right side
106,612.44x = 8,660,428,662.55 - Step 5: Solve for x
x = 8,660,428,662.55/106,612.44 - Step 6: Final answer
x = 81,232.82
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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.