Finding the Fourth Proportional to 98,239.14, 135,569.98 and 53,527.14
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Solution
The fourth proportional to 98,239.14, 135,569.98 and 53,527.14 is: 73,867.44
Step by Step Solution
- Step 1: Write the proportion equation
98,239.14 : 135,569.98 = 53,527.14 : x - Step 2: Convert to fraction form
98,239.14/135,569.98 = 53,527.14/x - Step 3: Cross multiply
98,239.14x = 135,569.98 × 53,527.14 - Step 4: Simplify right side
98,239.14x = 7,256,673,299.26 - Step 5: Solve for x
x = 7,256,673,299.26/98,239.14 - Step 6: Final answer
x = 73,867.44
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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.