Finding the Fourth Proportional to 78,857.10, 108,824.49 and 43,048.62
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Solution
The fourth proportional to 78,857.10, 108,824.49 and 43,048.62 is: 59,408.02
Step by Step Solution
- Step 1: Write the proportion equation
78,857.10 : 108,824.49 = 43,048.62 : x - Step 2: Convert to fraction form
78,857.10/108,824.49 = 43,048.62/x - Step 3: Cross multiply
78,857.10x = 108,824.49 × 43,048.62 - Step 4: Simplify right side
78,857.10x = 4,684,744,116.70 - Step 5: Solve for x
x = 4,684,744,116.70/78,857.10 - Step 6: Final answer
x = 59,408.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.