Finding the Fourth Proportional to 83,133.08, 124,738.50 and 48,102.20
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Solution
The fourth proportional to 83,133.08, 124,738.50 and 48,102.20 is: 72,175.80
Step by Step Solution
- Step 1: Write the proportion equation
83,133.08 : 124,738.50 = 48,102.20 : x - Step 2: Convert to fraction form
83,133.08/124,738.50 = 48,102.20/x - Step 3: Cross multiply
83,133.08x = 124,738.50 × 48,102.20 - Step 4: Simplify right side
83,133.08x = 6,000,196,274.70 - Step 5: Solve for x
x = 6,000,196,274.70/83,133.08 - Step 6: Final answer
x = 72,175.80
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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.