Finding the Fourth Proportional to 80,408.79, 110,954.61 and 44,590.05
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Solution
The fourth proportional to 80,408.79, 110,954.61 and 44,590.05 is: 61,528.99
Step by Step Solution
- Step 1: Write the proportion equation
80,408.79 : 110,954.61 = 44,590.05 : x - Step 2: Convert to fraction form
80,408.79/110,954.61 = 44,590.05/x - Step 3: Cross multiply
80,408.79x = 110,954.61 × 44,590.05 - Step 4: Simplify right side
80,408.79x = 4,947,471,607.63 - Step 5: Solve for x
x = 4,947,471,607.63/80,408.79 - Step 6: Final answer
x = 61,528.99
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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.