Finding the Fourth Proportional to 104,701.08, 144,487.92 and 56,954.70
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Solution
The fourth proportional to 104,701.08, 144,487.92 and 56,954.70 is: 78,597.72
Step by Step Solution
- Step 1: Write the proportion equation
104,701.08 : 144,487.92 = 56,954.70 : x - Step 2: Convert to fraction form
104,701.08/144,487.92 = 56,954.70/x - Step 3: Cross multiply
104,701.08x = 144,487.92 × 56,954.70 - Step 4: Simplify right side
104,701.08x = 8,229,266,137.22 - Step 5: Solve for x
x = 8,229,266,137.22/104,701.08 - Step 6: Final answer
x = 78,597.72
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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.