Finding the Fourth Proportional to 98,859.26, 136,425.91 and 53,537.32
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Solution
The fourth proportional to 98,859.26, 136,425.91 and 53,537.32 is: 73,881.58
Step by Step Solution
- Step 1: Write the proportion equation
98,859.26 : 136,425.91 = 53,537.32 : x - Step 2: Convert to fraction form
98,859.26/136,425.91 = 53,537.32/x - Step 3: Cross multiply
98,859.26x = 136,425.91 × 53,537.32 - Step 4: Simplify right side
98,859.26x = 7,303,878,288.31 - Step 5: Solve for x
x = 7,303,878,288.31/98,859.26 - Step 6: Final answer
x = 73,881.58
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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.