Finding the Fourth Proportional to 97,682.20, 146,523.30 and 48,427.80
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Solution
The fourth proportional to 97,682.20, 146,523.30 and 48,427.80 is: 72,641.70
Step by Step Solution
- Step 1: Write the proportion equation
97,682.20 : 146,523.30 = 48,427.80 : x - Step 2: Convert to fraction form
97,682.20/146,523.30 = 48,427.80/x - Step 3: Cross multiply
97,682.20x = 146,523.30 × 48,427.80 - Step 4: Simplify right side
97,682.20x = 7,095,801,067.74 - Step 5: Solve for x
x = 7,095,801,067.74/97,682.20 - Step 6: Final answer
x = 72,641.70
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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.