Finding the Fourth Proportional to 72,335.24, 108,468.84 and 27,982.88
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Solution
The fourth proportional to 72,335.24, 108,468.84 and 27,982.88 is: 41,961.16
Step by Step Solution
- Step 1: Write the proportion equation
72,335.24 : 108,468.84 = 27,982.88 : x - Step 2: Convert to fraction form
72,335.24/108,468.84 = 27,982.88/x - Step 3: Cross multiply
72,335.24x = 108,468.84 × 27,982.88 - Step 4: Simplify right side
72,335.24x = 3,035,270,533.46 - Step 5: Solve for x
x = 3,035,270,533.46/72,335.24 - Step 6: Final answer
x = 41,961.16
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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.