Finding the Fourth Proportional to 75,975.95, 104,846.81 and 42,441.95
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Solution
The fourth proportional to 75,975.95, 104,846.81 and 42,441.95 is: 58,569.88
Step by Step Solution
- Step 1: Write the proportion equation
75,975.95 : 104,846.81 = 42,441.95 : x - Step 2: Convert to fraction form
75,975.95/104,846.81 = 42,441.95/x - Step 3: Cross multiply
75,975.95x = 104,846.81 × 42,441.95 - Step 4: Simplify right side
75,975.95x = 4,449,902,331.24 - Step 5: Solve for x
x = 4,449,902,331.24/75,975.95 - Step 6: Final answer
x = 58,569.88
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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.