Finding the Fourth Proportional to 83,463.82, 115,178.36 and 59,630.99
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Solution
The fourth proportional to 83,463.82, 115,178.36 and 59,630.99 is: 82,289.54
Step by Step Solution
- Step 1: Write the proportion equation
83,463.82 : 115,178.36 = 59,630.99 : x - Step 2: Convert to fraction form
83,463.82/115,178.36 = 59,630.99/x - Step 3: Cross multiply
83,463.82x = 115,178.36 × 59,630.99 - Step 4: Simplify right side
83,463.82x = 6,868,198,759.33 - Step 5: Solve for x
x = 6,868,198,759.33/83,463.82 - Step 6: Final answer
x = 82,289.54
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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.