Finding the Fourth Proportional to 84,465.99, 126,724.28 and 48,919.03
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Solution
The fourth proportional to 84,465.99, 126,724.28 and 48,919.03 is: 73,393.19
Step by Step Solution
- Step 1: Write the proportion equation
84,465.99 : 126,724.28 = 48,919.03 : x - Step 2: Convert to fraction form
84,465.99/126,724.28 = 48,919.03/x - Step 3: Cross multiply
84,465.99x = 126,724.28 × 48,919.03 - Step 4: Simplify right side
84,465.99x = 6,199,228,293.64 - Step 5: Solve for x
x = 6,199,228,293.64/84,465.99 - Step 6: Final answer
x = 73,393.19
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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.