Finding the Fourth Proportional to 75,847.75, 104,669.94 and 42,313.75
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Solution
The fourth proportional to 75,847.75, 104,669.94 and 42,313.75 is: 58,393.00
Step by Step Solution
- Step 1: Write the proportion equation
75,847.75 : 104,669.94 = 42,313.75 : x - Step 2: Convert to fraction form
75,847.75/104,669.94 = 42,313.75/x - Step 3: Cross multiply
75,847.75x = 104,669.94 × 42,313.75 - Step 4: Simplify right side
75,847.75x = 4,428,977,673.68 - Step 5: Solve for x
x = 4,428,977,673.68/75,847.75 - Step 6: Final answer
x = 58,393.00
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.