Finding the Fourth Proportional to 73,217.08, 101,039.70 and 41,386.12
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Solution
The fourth proportional to 73,217.08, 101,039.70 and 41,386.12 is: 57,112.92
Step by Step Solution
- Step 1: Write the proportion equation
73,217.08 : 101,039.70 = 41,386.12 : x - Step 2: Convert to fraction form
73,217.08/101,039.70 = 41,386.12/x - Step 3: Cross multiply
73,217.08x = 101,039.70 × 41,386.12 - Step 4: Simplify right side
73,217.08x = 4,181,641,148.96 - Step 5: Solve for x
x = 4,181,641,148.96/73,217.08 - Step 6: Final answer
x = 57,112.92
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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.