Finding the Fourth Proportional to 76,029.99, 104,918.75 and 41,575.55
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Solution
The fourth proportional to 76,029.99, 104,918.75 and 41,575.55 is: 57,372.82
Step by Step Solution
- Step 1: Write the proportion equation
76,029.99 : 104,918.75 = 41,575.55 : x - Step 2: Convert to fraction form
76,029.99/104,918.75 = 41,575.55/x - Step 3: Cross multiply
76,029.99x = 104,918.75 × 41,575.55 - Step 4: Simplify right side
76,029.99x = 4,362,055,028.57 - Step 5: Solve for x
x = 4,362,055,028.57/76,029.99 - Step 6: Final answer
x = 57,372.82
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1.5x scale
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.