Finding the Fourth Proportional to 68,122.13, 102,183.75 and 23,748.80
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Solution
The fourth proportional to 68,122.13, 102,183.75 and 23,748.80 is: 35,623.39
Step by Step Solution
- Step 1: Write the proportion equation
68,122.13 : 102,183.75 = 23,748.80 : x - Step 2: Convert to fraction form
68,122.13/102,183.75 = 23,748.80/x - Step 3: Cross multiply
68,122.13x = 102,183.75 × 23,748.80 - Step 4: Simplify right side
68,122.13x = 2,426,740,931.08 - Step 5: Solve for x
x = 2,426,740,931.08/68,122.13 - Step 6: Final answer
x = 35,623.39
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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.