Finding the Fourth Proportional to 97,425.09, 134,449.20 and 54,407.88
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Solution
The fourth proportional to 97,425.09, 134,449.20 and 54,407.88 is: 75,084.31
Step by Step Solution
- Step 1: Write the proportion equation
97,425.09 : 134,449.20 = 54,407.88 : x - Step 2: Convert to fraction form
97,425.09/134,449.20 = 54,407.88/x - Step 3: Cross multiply
97,425.09x = 134,449.20 × 54,407.88 - Step 4: Simplify right side
97,425.09x = 7,315,095,939.70 - Step 5: Solve for x
x = 7,315,095,939.70/97,425.09 - Step 6: Final answer
x = 75,084.31
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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.