Finding the Fourth Proportional to 75,850.80, 113,862.60 and 44,703.60
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Solution
The fourth proportional to 75,850.80, 113,862.60 and 44,703.60 is: 67,106.32
Step by Step Solution
- Step 1: Write the proportion equation
75,850.80 : 113,862.60 = 44,703.60 : x - Step 2: Convert to fraction form
75,850.80/113,862.60 = 44,703.60/x - Step 3: Cross multiply
75,850.80x = 113,862.60 × 44,703.60 - Step 4: Simplify right side
75,850.80x = 5,090,068,125.36 - Step 5: Solve for x
x = 5,090,068,125.36/75,850.80 - Step 6: Final answer
x = 67,106.32
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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.