Finding the Fourth Proportional to 75,573.36, 113,235.48 and 43,894.49
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Solution
The fourth proportional to 75,573.36, 113,235.48 and 43,894.49 is: 65,769.39
Step by Step Solution
- Step 1: Write the proportion equation
75,573.36 : 113,235.48 = 43,894.49 : x - Step 2: Convert to fraction form
75,573.36/113,235.48 = 43,894.49/x - Step 3: Cross multiply
75,573.36x = 113,235.48 × 43,894.49 - Step 4: Simplify right side
75,573.36x = 4,970,413,968.74 - Step 5: Solve for x
x = 4,970,413,968.74/75,573.36 - Step 6: Final answer
x = 65,769.39
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1.5x scale
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.