Finding the Fourth Proportional to 76,741.23, 114,593.99 and 62,728.63
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Solution
The fourth proportional to 76,741.23, 114,593.99 and 62,728.63 is: 93,669.65
Step by Step Solution
- Step 1: Write the proportion equation
76,741.23 : 114,593.99 = 62,728.63 : x - Step 2: Convert to fraction form
76,741.23/114,593.99 = 62,728.63/x - Step 3: Cross multiply
76,741.23x = 114,593.99 × 62,728.63 - Step 4: Simplify right side
76,741.23x = 7,188,323,998.93 - Step 5: Solve for x
x = 7,188,323,998.93/76,741.23 - Step 6: Final answer
x = 93,669.65
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.