Finding the Fourth Proportional to 75,102.44, 103,640.85 and 43,270.65
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Solution
The fourth proportional to 75,102.44, 103,640.85 and 43,270.65 is: 59,713.20
Step by Step Solution
- Step 1: Write the proportion equation
75,102.44 : 103,640.85 = 43,270.65 : x - Step 2: Convert to fraction form
75,102.44/103,640.85 = 43,270.65/x - Step 3: Cross multiply
75,102.44x = 103,640.85 × 43,270.65 - Step 4: Simplify right side
75,102.44x = 4,484,606,946.05 - Step 5: Solve for x
x = 4,484,606,946.05/75,102.44 - Step 6: Final answer
x = 59,713.20
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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.