Finding the Fourth Proportional to 76,040.74, 114,021.99 and 44,457.76
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Solution
The fourth proportional to 76,040.74, 114,021.99 and 44,457.76 is: 66,663.77
Step by Step Solution
- Step 1: Write the proportion equation
76,040.74 : 114,021.99 = 44,457.76 : x - Step 2: Convert to fraction form
76,040.74/114,021.99 = 44,457.76/x - Step 3: Cross multiply
76,040.74x = 114,021.99 × 44,457.76 - Step 4: Simplify right side
76,040.74x = 5,069,162,266.14 - Step 5: Solve for x
x = 5,069,162,266.14/76,040.74 - Step 6: Final answer
x = 66,663.77
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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.