Finding the Fourth Proportional to 90,006.48, 135,028.68 and 33,847.08
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Solution
The fourth proportional to 90,006.48, 135,028.68 and 33,847.08 is: 50,777.75
Step by Step Solution
- Step 1: Write the proportion equation
90,006.48 : 135,028.68 = 33,847.08 : x - Step 2: Convert to fraction form
90,006.48/135,028.68 = 33,847.08/x - Step 3: Cross multiply
90,006.48x = 135,028.68 × 33,847.08 - Step 4: Simplify right side
90,006.48x = 4,570,326,534.25 - Step 5: Solve for x
x = 4,570,326,534.25/90,006.48 - Step 6: Final answer
x = 50,777.75
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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.