Finding the Fourth Proportional to 71,804.38, 107,706.63 and 34,355.62
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Solution
The fourth proportional to 71,804.38, 107,706.63 and 34,355.62 is: 51,533.46
Step by Step Solution
- Step 1: Write the proportion equation
71,804.38 : 107,706.63 = 34,355.62 : x - Step 2: Convert to fraction form
71,804.38/107,706.63 = 34,355.62/x - Step 3: Cross multiply
71,804.38x = 107,706.63 × 34,355.62 - Step 4: Simplify right side
71,804.38x = 3,700,328,051.76 - Step 5: Solve for x
x = 3,700,328,051.76/71,804.38 - Step 6: Final answer
x = 51,533.46
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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.