Finding the Fourth Proportional to 75,975.96, 104,850.48 and 45,770.74
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Solution
The fourth proportional to 75,975.96, 104,850.48 and 45,770.74 is: 63,165.82
Step by Step Solution
- Step 1: Write the proportion equation
75,975.96 : 104,850.48 = 45,770.74 : x - Step 2: Convert to fraction form
75,975.96/104,850.48 = 45,770.74/x - Step 3: Cross multiply
75,975.96x = 104,850.48 × 45,770.74 - Step 4: Simplify right side
75,975.96x = 4,799,084,058.96 - Step 5: Solve for x
x = 4,799,084,058.96/75,975.96 - Step 6: Final answer
x = 63,165.82
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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.