Finding the Fourth Proportional to 73,455.36, 101,278.80 and 62,105.28
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Solution
The fourth proportional to 73,455.36, 101,278.80 and 62,105.28 is: 85,629.53
Step by Step Solution
- Step 1: Write the proportion equation
73,455.36 : 101,278.80 = 62,105.28 : x - Step 2: Convert to fraction form
73,455.36/101,278.80 = 62,105.28/x - Step 3: Cross multiply
73,455.36x = 101,278.80 × 62,105.28 - Step 4: Simplify right side
73,455.36x = 6,289,948,232.06 - Step 5: Solve for x
x = 6,289,948,232.06/73,455.36 - Step 6: Final answer
x = 85,629.53
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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.