Finding the Fourth Proportional to 83,638.36, 125,448.16 and 24,474.48
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Solution
The fourth proportional to 83,638.36, 125,448.16 and 24,474.48 is: 36,708.98
Step by Step Solution
- Step 1: Write the proportion equation
83,638.36 : 125,448.16 = 24,474.48 : x - Step 2: Convert to fraction form
83,638.36/125,448.16 = 24,474.48/x - Step 3: Cross multiply
83,638.36x = 125,448.16 × 24,474.48 - Step 4: Simplify right side
83,638.36x = 3,070,278,482.96 - Step 5: Solve for x
x = 3,070,278,482.96/83,638.36 - Step 6: Final answer
x = 36,708.98
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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.