Finding the Fourth Proportional to 98,024.96, 135,305.28 and 55,611.68
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Solution
The fourth proportional to 98,024.96, 135,305.28 and 55,611.68 is: 76,761.61
Step by Step Solution
- Step 1: Write the proportion equation
98,024.96 : 135,305.28 = 55,611.68 : x - Step 2: Convert to fraction form
98,024.96/135,305.28 = 55,611.68/x - Step 3: Cross multiply
98,024.96x = 135,305.28 × 55,611.68 - Step 4: Simplify right side
98,024.96x = 7,524,553,933.67 - Step 5: Solve for x
x = 7,524,553,933.67/98,024.96 - Step 6: Final answer
x = 76,761.61
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.