Finding the Fourth Proportional to 97,791.26, 134,908.52 and 63,791.92
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Solution
The fourth proportional to 97,791.26, 134,908.52 and 63,791.92 is: 88,004.53
Step by Step Solution
- Step 1: Write the proportion equation
97,791.26 : 134,908.52 = 63,791.92 : x - Step 2: Convert to fraction form
97,791.26/134,908.52 = 63,791.92/x - Step 3: Cross multiply
97,791.26x = 134,908.52 × 63,791.92 - Step 4: Simplify right side
97,791.26x = 8,606,073,515.16 - Step 5: Solve for x
x = 8,606,073,515.16/97,791.26 - Step 6: Final answer
x = 88,004.53
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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.