Finding the Fourth Proportional to 127,431.36, 175,859.76 and 70,075.02
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Solution
The fourth proportional to 127,431.36, 175,859.76 and 70,075.02 is: 96,705.99
Step by Step Solution
- Step 1: Write the proportion equation
127,431.36 : 175,859.76 = 70,075.02 : x - Step 2: Convert to fraction form
127,431.36/175,859.76 = 70,075.02/x - Step 3: Cross multiply
127,431.36x = 175,859.76 × 70,075.02 - Step 4: Simplify right side
127,431.36x = 12,323,376,199.20 - Step 5: Solve for x
x = 12,323,376,199.20/127,431.36 - Step 6: Final answer
x = 96,705.99
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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.