Finding the Fourth Proportional to 75,756.52, 104,544.74 and 41,766.36
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Solution
The fourth proportional to 75,756.52, 104,544.74 and 41,766.36 is: 57,637.99
Step by Step Solution
- Step 1: Write the proportion equation
75,756.52 : 104,544.74 = 41,766.36 : x - Step 2: Convert to fraction form
75,756.52/104,544.74 = 41,766.36/x - Step 3: Cross multiply
75,756.52x = 104,544.74 × 41,766.36 - Step 4: Simplify right side
75,756.52x = 4,366,453,246.95 - Step 5: Solve for x
x = 4,366,453,246.95/75,756.52 - Step 6: Final answer
x = 57,637.99
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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.