Finding the Fourth Proportional to 98,532.26, 135,974.52 and 53,820.26
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Solution
The fourth proportional to 98,532.26, 135,974.52 and 53,820.26 is: 74,271.96
Step by Step Solution
- Step 1: Write the proportion equation
98,532.26 : 135,974.52 = 53,820.26 : x - Step 2: Convert to fraction form
98,532.26/135,974.52 = 53,820.26/x - Step 3: Cross multiply
98,532.26x = 135,974.52 × 53,820.26 - Step 4: Simplify right side
98,532.26x = 7,318,184,019.78 - Step 5: Solve for x
x = 7,318,184,019.78/98,532.26 - Step 6: Final answer
x = 74,271.96
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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.