Finding the Fourth Proportional to 83,352.20, 115,028.78 and 45,626.44
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Solution
The fourth proportional to 83,352.20, 115,028.78 and 45,626.44 is: 62,965.99
Step by Step Solution
- Step 1: Write the proportion equation
83,352.20 : 115,028.78 = 45,626.44 : x - Step 2: Convert to fraction form
83,352.20/115,028.78 = 45,626.44/x - Step 3: Cross multiply
83,352.20x = 115,028.78 × 45,626.44 - Step 4: Simplify right side
83,352.20x = 5,248,353,728.94 - Step 5: Solve for x
x = 5,248,353,728.94/83,352.20 - Step 6: Final answer
x = 62,965.99
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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.