Finding the Fourth Proportional to 76,994.57, 106,249.50 and 48,329.63
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Solution
The fourth proportional to 76,994.57, 106,249.50 and 48,329.63 is: 66,693.00
Step by Step Solution
- Step 1: Write the proportion equation
76,994.57 : 106,249.50 = 48,329.63 : x - Step 2: Convert to fraction form
76,994.57/106,249.50 = 48,329.63/x - Step 3: Cross multiply
76,994.57x = 106,249.50 × 48,329.63 - Step 4: Simplify right side
76,994.57x = 5,134,998,491.44 - Step 5: Solve for x
x = 5,134,998,491.44/76,994.57 - Step 6: Final answer
x = 66,693.00
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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.