Finding the Fourth Proportional to 73,617.52, 101,566.28 and 48,138.79
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Solution
The fourth proportional to 73,617.52, 101,566.28 and 48,138.79 is: 66,414.59
Step by Step Solution
- Step 1: Write the proportion equation
73,617.52 : 101,566.28 = 48,138.79 : x - Step 2: Convert to fraction form
73,617.52/101,566.28 = 48,138.79/x - Step 3: Cross multiply
73,617.52x = 101,566.28 × 48,138.79 - Step 4: Simplify right side
73,617.52x = 4,889,277,316.17 - Step 5: Solve for x
x = 4,889,277,316.17/73,617.52 - Step 6: Final answer
x = 66,414.59
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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.