Finding the Fourth Proportional to 84,750.40, 127,125.60 and 83,195.20
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Solution
The fourth proportional to 84,750.40, 127,125.60 and 83,195.20 is: 124,792.80
Step by Step Solution
- Step 1: Write the proportion equation
84,750.40 : 127,125.60 = 83,195.20 : x - Step 2: Convert to fraction form
84,750.40/127,125.60 = 83,195.20/x - Step 3: Cross multiply
84,750.40x = 127,125.60 × 83,195.20 - Step 4: Simplify right side
84,750.40x = 10,576,239,717.12 - Step 5: Solve for x
x = 10,576,239,717.12/84,750.40 - Step 6: Final answer
x = 124,792.80
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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.