Finding the Fourth Proportional to 84,993.84, 127,491.84 and 47,548.08
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Solution
The fourth proportional to 84,993.84, 127,491.84 and 47,548.08 is: 71,322.72
Step by Step Solution
- Step 1: Write the proportion equation
84,993.84 : 127,491.84 = 47,548.08 : x - Step 2: Convert to fraction form
84,993.84/127,491.84 = 47,548.08/x - Step 3: Cross multiply
84,993.84x = 127,491.84 × 47,548.08 - Step 4: Simplify right side
84,993.84x = 6,061,992,207.67 - Step 5: Solve for x
x = 6,061,992,207.67/84,993.84 - Step 6: Final answer
x = 71,322.72
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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.