Finding the Fourth Proportional to 112,028.40, 154,593.36 and 69,586.08
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Solution
The fourth proportional to 112,028.40, 154,593.36 and 69,586.08 is: 96,025.17
Step by Step Solution
- Step 1: Write the proportion equation
112,028.40 : 154,593.36 = 69,586.08 : x - Step 2: Convert to fraction form
112,028.40/154,593.36 = 69,586.08/x - Step 3: Cross multiply
112,028.40x = 154,593.36 × 69,586.08 - Step 4: Simplify right side
112,028.40x = 10,757,545,916.43 - Step 5: Solve for x
x = 10,757,545,916.43/112,028.40 - Step 6: Final answer
x = 96,025.17
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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.