Finding the Fourth Proportional to 77,902.99, 107,542.00 and 45,633.12
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Solution
The fourth proportional to 77,902.99, 107,542.00 and 45,633.12 is: 62,994.72
Step by Step Solution
- Step 1: Write the proportion equation
77,902.99 : 107,542.00 = 45,633.12 : x - Step 2: Convert to fraction form
77,902.99/107,542.00 = 45,633.12/x - Step 3: Cross multiply
77,902.99x = 107,542.00 × 45,633.12 - Step 4: Simplify right side
77,902.99x = 4,907,477,378.07 - Step 5: Solve for x
x = 4,907,477,378.07/77,902.99 - Step 6: Final answer
x = 62,994.72
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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.