Finding the Fourth Proportional to 74,556.50, 102,887.97 and 40,565.00
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Solution
The fourth proportional to 74,556.50, 102,887.97 and 40,565.00 is: 55,979.70
Step by Step Solution
- Step 1: Write the proportion equation
74,556.50 : 102,887.97 = 40,565.00 : x - Step 2: Convert to fraction form
74,556.50/102,887.97 = 40,565.00/x - Step 3: Cross multiply
74,556.50x = 102,887.97 × 40,565.00 - Step 4: Simplify right side
74,556.50x = 4,173,650,836.33 - Step 5: Solve for x
x = 4,173,650,836.33/74,556.50 - Step 6: Final answer
x = 55,979.70
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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.