Finding the Fourth Proportional to 83,283.84, 124,818.48 and 30,630.96
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Solution
The fourth proportional to 83,283.84, 124,818.48 and 30,630.96 is: 45,906.98
Step by Step Solution
- Step 1: Write the proportion equation
83,283.84 : 124,818.48 = 30,630.96 : x - Step 2: Convert to fraction form
83,283.84/124,818.48 = 30,630.96/x - Step 3: Cross multiply
83,283.84x = 124,818.48 × 30,630.96 - Step 4: Simplify right side
83,283.84x = 3,823,309,868.14 - Step 5: Solve for x
x = 3,823,309,868.14/83,283.84 - Step 6: Final answer
x = 45,906.98
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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.