Finding the Fourth Proportional to 83,322.12, 124,970.36 and 27,162.08
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Solution
The fourth proportional to 83,322.12, 124,970.36 and 27,162.08 is: 40,738.94
Step by Step Solution
- Step 1: Write the proportion equation
83,322.12 : 124,970.36 = 27,162.08 : x - Step 2: Convert to fraction form
83,322.12/124,970.36 = 27,162.08/x - Step 3: Cross multiply
83,322.12x = 124,970.36 × 27,162.08 - Step 4: Simplify right side
83,322.12x = 3,394,454,915.95 - Step 5: Solve for x
x = 3,394,454,915.95/83,322.12 - Step 6: Final answer
x = 40,738.94
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1.5x scale
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.