Finding the Fourth Proportional to 84,438.68, 116,512.26 and 48,630.20
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Solution
The fourth proportional to 84,438.68, 116,512.26 and 48,630.20 is: 67,102.12
Step by Step Solution
- Step 1: Write the proportion equation
84,438.68 : 116,512.26 = 48,630.20 : x - Step 2: Convert to fraction form
84,438.68/116,512.26 = 48,630.20/x - Step 3: Cross multiply
84,438.68x = 116,512.26 × 48,630.20 - Step 4: Simplify right side
84,438.68x = 5,666,014,506.25 - Step 5: Solve for x
x = 5,666,014,506.25/84,438.68 - Step 6: Final answer
x = 67,102.12
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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.