Finding the Fourth Proportional to 94,048.56, 129,777.56 and 56,321.84
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Solution
The fourth proportional to 94,048.56, 129,777.56 and 56,321.84 is: 77,718.48
Step by Step Solution
- Step 1: Write the proportion equation
94,048.56 : 129,777.56 = 56,321.84 : x - Step 2: Convert to fraction form
94,048.56/129,777.56 = 56,321.84/x - Step 3: Cross multiply
94,048.56x = 129,777.56 × 56,321.84 - Step 4: Simplify right side
94,048.56x = 7,309,310,969.91 - Step 5: Solve for x
x = 7,309,310,969.91/94,048.56 - Step 6: Final answer
x = 77,718.48
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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.