Finding the Fourth Proportional to 107,708.68, 148,588.10 and 69,480.56
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Solution
The fourth proportional to 107,708.68, 148,588.10 and 69,480.56 is: 95,850.99
Step by Step Solution
- Step 1: Write the proportion equation
107,708.68 : 148,588.10 = 69,480.56 : x - Step 2: Convert to fraction form
107,708.68/148,588.10 = 69,480.56/x - Step 3: Cross multiply
107,708.68x = 148,588.10 × 69,480.56 - Step 4: Simplify right side
107,708.68x = 10,323,984,102.66 - Step 5: Solve for x
x = 10,323,984,102.66/107,708.68 - Step 6: Final answer
x = 95,850.99
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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.