Finding the Fourth Proportional to 72,487.08, 108,738.08 and 25,102.08
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Solution
The fourth proportional to 72,487.08, 108,738.08 and 25,102.08 is: 37,655.70
Step by Step Solution
- Step 1: Write the proportion equation
72,487.08 : 108,738.08 = 25,102.08 : x - Step 2: Convert to fraction form
72,487.08/108,738.08 = 25,102.08/x - Step 3: Cross multiply
72,487.08x = 108,738.08 × 25,102.08 - Step 4: Simplify right side
72,487.08x = 2,729,551,983.21 - Step 5: Solve for x
x = 2,729,551,983.21/72,487.08 - Step 6: Final answer
x = 37,655.70
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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.