Finding the Fourth Proportional to 97,923.25, 135,134.94 and 53,211.25
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Solution
The fourth proportional to 97,923.25, 135,134.94 and 53,211.25 is: 73,431.99
Step by Step Solution
- Step 1: Write the proportion equation
97,923.25 : 135,134.94 = 53,211.25 : x - Step 2: Convert to fraction form
97,923.25/135,134.94 = 53,211.25/x - Step 3: Cross multiply
97,923.25x = 135,134.94 × 53,211.25 - Step 4: Simplify right side
97,923.25x = 7,190,699,076.08 - Step 5: Solve for x
x = 7,190,699,076.08/97,923.25 - Step 6: Final answer
x = 73,431.99
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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.