Finding the Fourth Proportional to 91,001.26, 136,497.70 and 34,867.79
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Solution
The fourth proportional to 91,001.26, 136,497.70 and 34,867.79 is: 52,300.08
Step by Step Solution
- Step 1: Write the proportion equation
91,001.26 : 136,497.70 = 34,867.79 : x - Step 2: Convert to fraction form
91,001.26/136,497.70 = 34,867.79/x - Step 3: Cross multiply
91,001.26x = 136,497.70 × 34,867.79 - Step 4: Simplify right side
91,001.26x = 4,759,373,139.08 - Step 5: Solve for x
x = 4,759,373,139.08/91,001.26 - Step 6: Final answer
x = 52,300.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.