Finding the Fourth Proportional to 84,786.34, 117,005.61 and 52,973.70
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Solution
The fourth proportional to 84,786.34, 117,005.61 and 52,973.70 is: 73,103.99
Step by Step Solution
- Step 1: Write the proportion equation
84,786.34 : 117,005.61 = 52,973.70 : x - Step 2: Convert to fraction form
84,786.34/117,005.61 = 52,973.70/x - Step 3: Cross multiply
84,786.34x = 117,005.61 × 52,973.70 - Step 4: Simplify right side
84,786.34x = 6,198,220,082.46 - Step 5: Solve for x
x = 6,198,220,082.46/84,786.34 - Step 6: Final answer
x = 73,103.99
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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.