Finding the Fourth Proportional to 94,812.62, 130,840.08 and 51,791.60
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Solution
The fourth proportional to 94,812.62, 130,840.08 and 51,791.60 is: 71,471.68
Step by Step Solution
- Step 1: Write the proportion equation
94,812.62 : 130,840.08 = 51,791.60 : x - Step 2: Convert to fraction form
94,812.62/130,840.08 = 51,791.60/x - Step 3: Cross multiply
94,812.62x = 130,840.08 × 51,791.60 - Step 4: Simplify right side
94,812.62x = 6,776,416,433.13 - Step 5: Solve for x
x = 6,776,416,433.13/94,812.62 - Step 6: Final answer
x = 71,471.68
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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.