Finding the Fourth Proportional to 84,479.04, 126,722.76 and 25,309.08
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Solution
The fourth proportional to 84,479.04, 126,722.76 and 25,309.08 is: 37,964.88
Step by Step Solution
- Step 1: Write the proportion equation
84,479.04 : 126,722.76 = 25,309.08 : x - Step 2: Convert to fraction form
84,479.04/126,722.76 = 25,309.08/x - Step 3: Cross multiply
84,479.04x = 126,722.76 × 25,309.08 - Step 4: Simplify right side
84,479.04x = 3,207,236,470.66 - Step 5: Solve for x
x = 3,207,236,470.66/84,479.04 - Step 6: Final answer
x = 37,964.88
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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.