Finding the Fourth Proportional to 98,772.98, 136,305.66 and 53,449.96
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Solution
The fourth proportional to 98,772.98, 136,305.66 and 53,449.96 is: 73,760.38
Step by Step Solution
- Step 1: Write the proportion equation
98,772.98 : 136,305.66 = 53,449.96 : x - Step 2: Convert to fraction form
98,772.98/136,305.66 = 53,449.96/x - Step 3: Cross multiply
98,772.98x = 136,305.66 × 53,449.96 - Step 4: Simplify right side
98,772.98x = 7,285,532,074.77 - Step 5: Solve for x
x = 7,285,532,074.77/98,772.98 - Step 6: Final answer
x = 73,760.38
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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.