Finding the Fourth Proportional to 83,433.02, 115,137.69 and 45,192.99
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Solution
The fourth proportional to 83,433.02, 115,137.69 and 45,192.99 is: 62,366.39
Step by Step Solution
- Step 1: Write the proportion equation
83,433.02 : 115,137.69 = 45,192.99 : x - Step 2: Convert to fraction form
83,433.02/115,137.69 = 45,192.99/x - Step 3: Cross multiply
83,433.02x = 115,137.69 × 45,192.99 - Step 4: Simplify right side
83,433.02x = 5,203,416,278.09 - Step 5: Solve for x
x = 5,203,416,278.09/83,433.02 - Step 6: Final answer
x = 62,366.39
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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.