Finding the Fourth Proportional to 106,544.67, 147,027.79 and 58,796.99
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Solution
The fourth proportional to 106,544.67, 147,027.79 and 58,796.99 is: 81,137.72
Step by Step Solution
- Step 1: Write the proportion equation
106,544.67 : 147,027.79 = 58,796.99 : x - Step 2: Convert to fraction form
106,544.67/147,027.79 = 58,796.99/x - Step 3: Cross multiply
106,544.67x = 147,027.79 × 58,796.99 - Step 4: Simplify right side
106,544.67x = 8,644,791,498.35 - Step 5: Solve for x
x = 8,644,791,498.35/106,544.67 - Step 6: Final answer
x = 81,137.72
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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.