Finding the Fourth Proportional to 75,816.60, 113,552.10 and 44,712.60
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Solution
The fourth proportional to 75,816.60, 113,552.10 and 44,712.60 is: 66,966.99
Step by Step Solution
- Step 1: Write the proportion equation
75,816.60 : 113,552.10 = 44,712.60 : x - Step 2: Convert to fraction form
75,816.60/113,552.10 = 44,712.60/x - Step 3: Cross multiply
75,816.60x = 113,552.10 × 44,712.60 - Step 4: Simplify right side
75,816.60x = 5,077,209,626.46 - Step 5: Solve for x
x = 5,077,209,626.46/75,816.60 - Step 6: Final answer
x = 66,966.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.