Finding the Fourth Proportional to 76,302.02, 114,414.73 and 36,309.08
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Solution
The fourth proportional to 76,302.02, 114,414.73 and 36,309.08 is: 54,445.39
Step by Step Solution
- Step 1: Write the proportion equation
76,302.02 : 114,414.73 = 36,309.08 : x - Step 2: Convert to fraction form
76,302.02/114,414.73 = 36,309.08/x - Step 3: Cross multiply
76,302.02x = 114,414.73 × 36,309.08 - Step 4: Simplify right side
76,302.02x = 4,154,292,921.90 - Step 5: Solve for x
x = 4,154,292,921.90/76,302.02 - Step 6: Final answer
x = 54,445.39
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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.