Finding the Fourth Proportional to 103,877.14, 143,341.84 and 58,566.26
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Solution
The fourth proportional to 103,877.14, 143,341.84 and 58,566.26 is: 80,816.58
Step by Step Solution
- Step 1: Write the proportion equation
103,877.14 : 143,341.84 = 58,566.26 : x - Step 2: Convert to fraction form
103,877.14/143,341.84 = 58,566.26/x - Step 3: Cross multiply
103,877.14x = 143,341.84 × 58,566.26 - Step 4: Simplify right side
103,877.14x = 8,394,994,607.19 - Step 5: Solve for x
x = 8,394,994,607.19/103,877.14 - Step 6: Final answer
x = 80,816.58
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1.5x scale
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.