Finding the Fourth Proportional to 90,274.18, 124,592.43 and 51,512.08
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Solution
The fourth proportional to 90,274.18, 124,592.43 and 51,512.08 is: 71,094.69
Step by Step Solution
- Step 1: Write the proportion equation
90,274.18 : 124,592.43 = 51,512.08 : x - Step 2: Convert to fraction form
90,274.18/124,592.43 = 51,512.08/x - Step 3: Cross multiply
90,274.18x = 124,592.43 × 51,512.08 - Step 4: Simplify right side
90,274.18x = 6,418,015,221.55 - Step 5: Solve for x
x = 6,418,015,221.55/90,274.18 - Step 6: Final answer
x = 71,094.69
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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.