Finding the Fourth Proportional to 76,938.96, 115,390.62 and 24,338.64
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Solution
The fourth proportional to 76,938.96, 115,390.62 and 24,338.64 is: 36,502.32
Step by Step Solution
- Step 1: Write the proportion equation
76,938.96 : 115,390.62 = 24,338.64 : x - Step 2: Convert to fraction form
76,938.96/115,390.62 = 24,338.64/x - Step 3: Cross multiply
76,938.96x = 115,390.62 × 24,338.64 - Step 4: Simplify right side
76,938.96x = 2,808,450,759.56 - Step 5: Solve for x
x = 2,808,450,759.56/76,938.96 - Step 6: Final answer
x = 36,502.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.