Finding the Fourth Proportional to 83,605.36, 125,232.36 and 67,863.28
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Solution
The fourth proportional to 83,605.36, 125,232.36 and 67,863.28 is: 101,652.32
Step by Step Solution
- Step 1: Write the proportion equation
83,605.36 : 125,232.36 = 67,863.28 : x - Step 2: Convert to fraction form
83,605.36/125,232.36 = 67,863.28/x - Step 3: Cross multiply
83,605.36x = 125,232.36 × 67,863.28 - Step 4: Simplify right side
83,605.36x = 8,498,678,711.74 - Step 5: Solve for x
x = 8,498,678,711.74/83,605.36 - Step 6: Final answer
x = 101,652.32
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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.