Finding the Fourth Proportional to 107,820.67, 161,552.19 and 65,572.96
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Solution
The fourth proportional to 107,820.67, 161,552.19 and 65,572.96 is: 98,250.69
Step by Step Solution
- Step 1: Write the proportion equation
107,820.67 : 161,552.19 = 65,572.96 : x - Step 2: Convert to fraction form
107,820.67/161,552.19 = 65,572.96/x - Step 3: Cross multiply
107,820.67x = 161,552.19 × 65,572.96 - Step 4: Simplify right side
107,820.67x = 10,593,455,292.78 - Step 5: Solve for x
x = 10,593,455,292.78/107,820.67 - Step 6: Final answer
x = 98,250.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.