Finding the Fourth Proportional to 98,524.13, 135,963.83 and 53,812.13
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Solution
The fourth proportional to 98,524.13, 135,963.83 and 53,812.13 is: 74,261.03
Step by Step Solution
- Step 1: Write the proportion equation
98,524.13 : 135,963.83 = 53,812.13 : x - Step 2: Convert to fraction form
98,524.13/135,963.83 = 53,812.13/x - Step 3: Cross multiply
98,524.13x = 135,963.83 × 53,812.13 - Step 4: Simplify right side
98,524.13x = 7,316,502,749.97 - Step 5: Solve for x
x = 7,316,502,749.97/98,524.13 - Step 6: Final answer
x = 74,261.03
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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.