Finding the Fourth Proportional to 68,801.68, 103,231.74 and 37,600.48
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Solution
The fourth proportional to 68,801.68, 103,231.74 and 37,600.48 is: 56,416.69
Step by Step Solution
- Step 1: Write the proportion equation
68,801.68 : 103,231.74 = 37,600.48 : x - Step 2: Convert to fraction form
68,801.68/103,231.74 = 37,600.48/x - Step 3: Cross multiply
68,801.68x = 103,231.74 × 37,600.48 - Step 4: Simplify right side
68,801.68x = 3,881,562,975.24 - Step 5: Solve for x
x = 3,881,562,975.24/68,801.68 - Step 6: Final answer
x = 56,416.69
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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.