Finding the Fourth Proportional to 76,070.91, 104,974.77 and 41,615.08
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Solution
The fourth proportional to 76,070.91, 104,974.77 and 41,615.08 is: 57,427.12
Step by Step Solution
- Step 1: Write the proportion equation
76,070.91 : 104,974.77 = 41,615.08 : x - Step 2: Convert to fraction form
76,070.91/104,974.77 = 41,615.08/x - Step 3: Cross multiply
76,070.91x = 104,974.77 × 41,615.08 - Step 4: Simplify right side
76,070.91x = 4,368,533,451.53 - Step 5: Solve for x
x = 4,368,533,451.53/76,070.91 - Step 6: Final answer
x = 57,427.12
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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.