Finding the Fourth Proportional to 83,343.28, 115,014.44 and 48,908.62
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Solution
The fourth proportional to 83,343.28, 115,014.44 and 48,908.62 is: 67,494.32
Step by Step Solution
- Step 1: Write the proportion equation
83,343.28 : 115,014.44 = 48,908.62 : x - Step 2: Convert to fraction form
83,343.28/115,014.44 = 48,908.62/x - Step 3: Cross multiply
83,343.28x = 115,014.44 × 48,908.62 - Step 4: Simplify right side
83,343.28x = 5,625,197,673.12 - Step 5: Solve for x
x = 5,625,197,673.12/83,343.28 - Step 6: Final answer
x = 67,494.32
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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.