Finding the Fourth Proportional to 75,704.04, 113,556.06 and 31,281.98
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Solution
The fourth proportional to 75,704.04, 113,556.06 and 31,281.98 is: 46,922.96
Step by Step Solution
- Step 1: Write the proportion equation
75,704.04 : 113,556.06 = 31,281.98 : x - Step 2: Convert to fraction form
75,704.04/113,556.06 = 31,281.98/x - Step 3: Cross multiply
75,704.04x = 113,556.06 × 31,281.98 - Step 4: Simplify right side
75,704.04x = 3,552,257,830.02 - Step 5: Solve for x
x = 3,552,257,830.02/75,704.04 - Step 6: Final answer
x = 46,922.96
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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.