Finding the Fourth Proportional to 90,795.60, 125,250.84 and 53,047.98
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Solution
The fourth proportional to 90,795.60, 125,250.84 and 53,047.98 is: 73,178.70
Step by Step Solution
- Step 1: Write the proportion equation
90,795.60 : 125,250.84 = 53,047.98 : x - Step 2: Convert to fraction form
90,795.60/125,250.84 = 53,047.98/x - Step 3: Cross multiply
90,795.60x = 125,250.84 × 53,047.98 - Step 4: Simplify right side
90,795.60x = 6,644,304,055.30 - Step 5: Solve for x
x = 6,644,304,055.30/90,795.60 - Step 6: Final answer
x = 73,178.70
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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.