Finding the Fourth Proportional to 127,357.10, 175,744.26 and 69,995.18
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Solution
The fourth proportional to 127,357.10, 175,744.26 and 69,995.18 is: 96,588.66
Step by Step Solution
- Step 1: Write the proportion equation
127,357.10 : 175,744.26 = 69,995.18 : x - Step 2: Convert to fraction form
127,357.10/175,744.26 = 69,995.18/x - Step 3: Cross multiply
127,357.10x = 175,744.26 × 69,995.18 - Step 4: Simplify right side
127,357.10x = 12,301,251,112.67 - Step 5: Solve for x
x = 12,301,251,112.67/127,357.10 - Step 6: Final answer
x = 96,588.66
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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.