Finding the Fourth Proportional to 83,855.91, 125,784.74 and 24,692.70
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Solution
The fourth proportional to 83,855.91, 125,784.74 and 24,692.70 is: 37,039.31
Step by Step Solution
- Step 1: Write the proportion equation
83,855.91 : 125,784.74 = 24,692.70 : x - Step 2: Convert to fraction form
83,855.91/125,784.74 = 24,692.70/x - Step 3: Cross multiply
83,855.91x = 125,784.74 × 24,692.70 - Step 4: Simplify right side
83,855.91x = 3,105,964,725.93 - Step 5: Solve for x
x = 3,105,964,725.93/83,855.91 - Step 6: Final answer
x = 37,039.31
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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.