Finding the Fourth Proportional to 71,799.08, 107,702.73 and 21,880.80
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Solution
The fourth proportional to 71,799.08, 107,702.73 and 21,880.80 is: 32,822.45
Step by Step Solution
- Step 1: Write the proportion equation
71,799.08 : 107,702.73 = 21,880.80 : x - Step 2: Convert to fraction form
71,799.08/107,702.73 = 21,880.80/x - Step 3: Cross multiply
71,799.08x = 107,702.73 × 21,880.80 - Step 4: Simplify right side
71,799.08x = 2,356,621,894.58 - Step 5: Solve for x
x = 2,356,621,894.58/71,799.08 - Step 6: Final answer
x = 32,822.45
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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.