Finding the Fourth Proportional to 127,492.81, 175,936.51 and 70,132.08
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Solution
The fourth proportional to 127,492.81, 175,936.51 and 70,132.08 is: 96,780.31
Step by Step Solution
- Step 1: Write the proportion equation
127,492.81 : 175,936.51 = 70,132.08 : x - Step 2: Convert to fraction form
127,492.81/175,936.51 = 70,132.08/x - Step 3: Cross multiply
127,492.81x = 175,936.51 × 70,132.08 - Step 4: Simplify right side
127,492.81x = 12,338,793,394.24 - Step 5: Solve for x
x = 12,338,793,394.24/127,492.81 - Step 6: Final answer
x = 96,780.31
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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.