Finding the Fourth Proportional to 75,509.60, 104,201.03 and 41,518.05
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Solution
The fourth proportional to 75,509.60, 104,201.03 and 41,518.05 is: 57,293.69
Step by Step Solution
- Step 1: Write the proportion equation
75,509.60 : 104,201.03 = 41,518.05 : x - Step 2: Convert to fraction form
75,509.60/104,201.03 = 41,518.05/x - Step 3: Cross multiply
75,509.60x = 104,201.03 × 41,518.05 - Step 4: Simplify right side
75,509.60x = 4,326,223,366.00 - Step 5: Solve for x
x = 4,326,223,366.00/75,509.60 - Step 6: Final answer
x = 57,293.69
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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.