Finding the Fourth Proportional to 68,660.04, 102,868.93 and 60,131.38
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Solution
The fourth proportional to 68,660.04, 102,868.93 and 60,131.38 is: 90,090.99
Step by Step Solution
- Step 1: Write the proportion equation
68,660.04 : 102,868.93 = 60,131.38 : x - Step 2: Convert to fraction form
68,660.04/102,868.93 = 60,131.38/x - Step 3: Cross multiply
68,660.04x = 102,868.93 × 60,131.38 - Step 4: Simplify right side
68,660.04x = 6,185,650,720.02 - Step 5: Solve for x
x = 6,185,650,720.02/68,660.04 - Step 6: Final answer
x = 90,090.99
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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.