Finding the Fourth Proportional to 84,106.05, 126,181.35 and 36,700.80
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Solution
The fourth proportional to 84,106.05, 126,181.35 and 36,700.80 is: 55,060.92
Step by Step Solution
- Step 1: Write the proportion equation
84,106.05 : 126,181.35 = 36,700.80 : x - Step 2: Convert to fraction form
84,106.05/126,181.35 = 36,700.80/x - Step 3: Cross multiply
84,106.05x = 126,181.35 × 36,700.80 - Step 4: Simplify right side
84,106.05x = 4,630,956,490.08 - Step 5: Solve for x
x = 4,630,956,490.08/84,106.05 - Step 6: Final answer
x = 55,060.92
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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.