Finding the Fourth Proportional to 100,504.02, 138,695.74 and 55,792.02
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Solution
The fourth proportional to 100,504.02, 138,695.74 and 55,792.02 is: 76,993.09
Step by Step Solution
- Step 1: Write the proportion equation
100,504.02 : 138,695.74 = 55,792.02 : x - Step 2: Convert to fraction form
100,504.02/138,695.74 = 55,792.02/x - Step 3: Cross multiply
100,504.02x = 138,695.74 × 55,792.02 - Step 4: Simplify right side
100,504.02x = 7,738,115,499.99 - Step 5: Solve for x
x = 7,738,115,499.99/100,504.02 - Step 6: Final answer
x = 76,993.09
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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.