Finding the Fourth Proportional to 99,783.01, 137,697.13 and 59,475.99
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Solution
The fourth proportional to 99,783.01, 137,697.13 and 59,475.99 is: 82,074.83
Step by Step Solution
- Step 1: Write the proportion equation
99,783.01 : 137,697.13 = 59,475.99 : x - Step 2: Convert to fraction form
99,783.01/137,697.13 = 59,475.99/x - Step 3: Cross multiply
99,783.01x = 137,697.13 × 59,475.99 - Step 4: Simplify right side
99,783.01x = 8,189,673,126.91 - Step 5: Solve for x
x = 8,189,673,126.91/99,783.01 - Step 6: Final answer
x = 82,074.83
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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.