Finding the Fourth Proportional to 99,782.01, 137,695.75 and 59,474.99
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Solution
The fourth proportional to 99,782.01, 137,695.75 and 59,474.99 is: 82,073.45
Step by Step Solution
- Step 1: Write the proportion equation
99,782.01 : 137,695.75 = 59,474.99 : x - Step 2: Convert to fraction form
99,782.01/137,695.75 = 59,474.99/x - Step 3: Cross multiply
99,782.01x = 137,695.75 × 59,474.99 - Step 4: Simplify right side
99,782.01x = 8,189,453,549.84 - Step 5: Solve for x
x = 8,189,453,549.84/99,782.01 - Step 6: Final answer
x = 82,073.45
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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.