Finding the Fourth Proportional to 106,437.48, 146,877.84 and 58,682.64
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Solution
The fourth proportional to 106,437.48, 146,877.84 and 58,682.64 is: 80,978.80
Step by Step Solution
- Step 1: Write the proportion equation
106,437.48 : 146,877.84 = 58,682.64 : x - Step 2: Convert to fraction form
106,437.48/146,877.84 = 58,682.64/x - Step 3: Cross multiply
106,437.48x = 146,877.84 × 58,682.64 - Step 4: Simplify right side
106,437.48x = 8,619,179,408.70 - Step 5: Solve for x
x = 8,619,179,408.70/106,437.48 - Step 6: Final answer
x = 80,978.80
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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.