Finding the Fourth Proportional to 73,447.20, 101,388.14 and 49,606.17
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Solution
The fourth proportional to 73,447.20, 101,388.14 and 49,606.17 is: 68,477.45
Step by Step Solution
- Step 1: Write the proportion equation
73,447.20 : 101,388.14 = 49,606.17 : x - Step 2: Convert to fraction form
73,447.20/101,388.14 = 49,606.17/x - Step 3: Cross multiply
73,447.20x = 101,388.14 × 49,606.17 - Step 4: Simplify right side
73,447.20x = 5,029,477,060.79 - Step 5: Solve for x
x = 5,029,477,060.79/73,447.20 - Step 6: Final answer
x = 68,477.45
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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.