Finding the Fourth Proportional to 68,477.40, 102,716.10 and 62,353.80
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Solution
The fourth proportional to 68,477.40, 102,716.10 and 62,353.80 is: 93,530.70
Step by Step Solution
- Step 1: Write the proportion equation
68,477.40 : 102,716.10 = 62,353.80 : x - Step 2: Convert to fraction form
68,477.40/102,716.10 = 62,353.80/x - Step 3: Cross multiply
68,477.40x = 102,716.10 × 62,353.80 - Step 4: Simplify right side
68,477.40x = 6,404,739,156.18 - Step 5: Solve for x
x = 6,404,739,156.18/68,477.40 - Step 6: Final answer
x = 93,530.70
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1.5x scale
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.