Finding the Fourth Proportional to 98,547.01, 135,994.86 and 53,224.99
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Solution
The fourth proportional to 98,547.01, 135,994.86 and 53,224.99 is: 73,450.48
Step by Step Solution
- Step 1: Write the proportion equation
98,547.01 : 135,994.86 = 53,224.99 : x - Step 2: Convert to fraction form
98,547.01/135,994.86 = 53,224.99/x - Step 3: Cross multiply
98,547.01x = 135,994.86 × 53,224.99 - Step 4: Simplify right side
98,547.01x = 7,238,324,723.56 - Step 5: Solve for x
x = 7,238,324,723.56/98,547.01 - Step 6: Final answer
x = 73,450.48
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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.