Finding the Fourth Proportional to 75,811.95, 104,619.15 and 41,823.54
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Solution
The fourth proportional to 75,811.95, 104,619.15 and 41,823.54 is: 57,715.75
Step by Step Solution
- Step 1: Write the proportion equation
75,811.95 : 104,619.15 = 41,823.54 : x - Step 2: Convert to fraction form
75,811.95/104,619.15 = 41,823.54/x - Step 3: Cross multiply
75,811.95x = 104,619.15 × 41,823.54 - Step 4: Simplify right side
75,811.95x = 4,375,543,204.79 - Step 5: Solve for x
x = 4,375,543,204.79/75,811.95 - Step 6: Final answer
x = 57,715.75
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1.5x scale
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.