Finding the Fourth Proportional to 81,202.50, 121,814.99 and 25,047.02
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Solution
The fourth proportional to 81,202.50, 121,814.99 and 25,047.02 is: 37,574.00
Step by Step Solution
- Step 1: Write the proportion equation
81,202.50 : 121,814.99 = 25,047.02 : x - Step 2: Convert to fraction form
81,202.50/121,814.99 = 25,047.02/x - Step 3: Cross multiply
81,202.50x = 121,814.99 × 25,047.02 - Step 4: Simplify right side
81,202.50x = 3,051,102,764.06 - Step 5: Solve for x
x = 3,051,102,764.06/81,202.50 - Step 6: Final answer
x = 37,574.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.