Finding the Fourth Proportional to 68,944.98, 103,439.75 and 33,860.03
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Solution
The fourth proportional to 68,944.98, 103,439.75 and 33,860.03 is: 50,800.99
Step by Step Solution
- Step 1: Write the proportion equation
68,944.98 : 103,439.75 = 33,860.03 : x - Step 2: Convert to fraction form
68,944.98/103,439.75 = 33,860.03/x - Step 3: Cross multiply
68,944.98x = 103,439.75 × 33,860.03 - Step 4: Simplify right side
68,944.98x = 3,502,473,038.19 - Step 5: Solve for x
x = 3,502,473,038.19/68,944.98 - Step 6: Final answer
x = 50,800.99
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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.