Finding the Fourth Proportional to 97,833.75, 135,010.58 and 53,121.75
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Solution
The fourth proportional to 97,833.75, 135,010.58 and 53,121.75 is: 73,308.02
Step by Step Solution
- Step 1: Write the proportion equation
97,833.75 : 135,010.58 = 53,121.75 : x - Step 2: Convert to fraction form
97,833.75/135,010.58 = 53,121.75/x - Step 3: Cross multiply
97,833.75x = 135,010.58 × 53,121.75 - Step 4: Simplify right side
97,833.75x = 7,171,998,012.51 - Step 5: Solve for x
x = 7,171,998,012.51/97,833.75 - Step 6: Final answer
x = 73,308.02
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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.