Finding the Fourth Proportional to 99,052.97, 136,692.51 and 53,731.04
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Solution
The fourth proportional to 99,052.97, 136,692.51 and 53,731.04 is: 74,148.52
Step by Step Solution
- Step 1: Write the proportion equation
99,052.97 : 136,692.51 = 53,731.04 : x - Step 2: Convert to fraction form
99,052.97/136,692.51 = 53,731.04/x - Step 3: Cross multiply
99,052.97x = 136,692.51 × 53,731.04 - Step 4: Simplify right side
99,052.97x = 7,344,630,722.51 - Step 5: Solve for x
x = 7,344,630,722.51/99,052.97 - Step 6: Final answer
x = 74,148.52
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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.