Finding the Fourth Proportional to 73,318.63, 101,179.77 and 39,784.63
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Solution
The fourth proportional to 73,318.63, 101,179.77 and 39,784.63 is: 54,902.82
Step by Step Solution
- Step 1: Write the proportion equation
73,318.63 : 101,179.77 = 39,784.63 : x - Step 2: Convert to fraction form
73,318.63/101,179.77 = 39,784.63/x - Step 3: Cross multiply
73,318.63x = 101,179.77 × 39,784.63 - Step 4: Simplify right side
73,318.63x = 4,025,399,712.94 - Step 5: Solve for x
x = 4,025,399,712.94/73,318.63 - Step 6: Final answer
x = 54,902.82
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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.