Finding the Fourth Proportional to 75,759.99, 104,505.44 and 47,416.47
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Solution
The fourth proportional to 75,759.99, 104,505.44 and 47,416.47 is: 65,407.60
Step by Step Solution
- Step 1: Write the proportion equation
75,759.99 : 104,505.44 = 47,416.47 : x - Step 2: Convert to fraction form
75,759.99/104,505.44 = 47,416.47/x - Step 3: Cross multiply
75,759.99x = 104,505.44 × 47,416.47 - Step 4: Simplify right side
75,759.99x = 4,955,278,823.51 - Step 5: Solve for x
x = 4,955,278,823.51/75,759.99 - Step 6: Final answer
x = 65,407.60
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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.