Finding the Fourth Proportional to 106,031.08, 146,326.26 and 58,286.44
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Solution
The fourth proportional to 106,031.08, 146,326.26 and 58,286.44 is: 80,437.14
Step by Step Solution
- Step 1: Write the proportion equation
106,031.08 : 146,326.26 = 58,286.44 : x - Step 2: Convert to fraction form
106,031.08/146,326.26 = 58,286.44/x - Step 3: Cross multiply
106,031.08x = 146,326.26 × 58,286.44 - Step 4: Simplify right side
106,031.08x = 8,528,836,773.91 - Step 5: Solve for x
x = 8,528,836,773.91/106,031.08 - Step 6: Final answer
x = 80,437.14
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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.