Finding the Fourth Proportional to 68,334.80, 102,502.20 and 63,669.20
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Solution
The fourth proportional to 68,334.80, 102,502.20 and 63,669.20 is: 95,503.80
Step by Step Solution
- Step 1: Write the proportion equation
68,334.80 : 102,502.20 = 63,669.20 : x - Step 2: Convert to fraction form
68,334.80/102,502.20 = 63,669.20/x - Step 3: Cross multiply
68,334.80x = 102,502.20 × 63,669.20 - Step 4: Simplify right side
68,334.80x = 6,526,233,072.24 - Step 5: Solve for x
x = 6,526,233,072.24/68,334.80 - Step 6: Final answer
x = 95,503.80
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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.