Finding the Fourth Proportional to 84,303.84, 126,557.64 and 39,367.92
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Solution
The fourth proportional to 84,303.84, 126,557.64 and 39,367.92 is: 59,099.46
Step by Step Solution
- Step 1: Write the proportion equation
84,303.84 : 126,557.64 = 39,367.92 : x - Step 2: Convert to fraction form
84,303.84/126,557.64 = 39,367.92/x - Step 3: Cross multiply
84,303.84x = 126,557.64 × 39,367.92 - Step 4: Simplify right side
84,303.84x = 4,982,311,046.91 - Step 5: Solve for x
x = 4,982,311,046.91/84,303.84 - Step 6: Final answer
x = 59,099.46
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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.