Finding the Fourth Proportional to 75,474.64, 104,155.09 and 41,483.12
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Solution
The fourth proportional to 75,474.64, 104,155.09 and 41,483.12 is: 57,246.75
Step by Step Solution
- Step 1: Write the proportion equation
75,474.64 : 104,155.09 = 41,483.12 : x - Step 2: Convert to fraction form
75,474.64/104,155.09 = 41,483.12/x - Step 3: Cross multiply
75,474.64x = 104,155.09 × 41,483.12 - Step 4: Simplify right side
75,474.64x = 4,320,678,097.08 - Step 5: Solve for x
x = 4,320,678,097.08/75,474.64 - Step 6: Final answer
x = 57,246.75
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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.