Finding the Fourth Proportional to 84,888.12, 117,147.18 and 47,165.88
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Solution
The fourth proportional to 84,888.12, 117,147.18 and 47,165.88 is: 65,089.79
Step by Step Solution
- Step 1: Write the proportion equation
84,888.12 : 117,147.18 = 47,165.88 : x - Step 2: Convert to fraction form
84,888.12/117,147.18 = 47,165.88/x - Step 3: Cross multiply
84,888.12x = 117,147.18 × 47,165.88 - Step 4: Simplify right side
84,888.12x = 5,525,349,834.22 - Step 5: Solve for x
x = 5,525,349,834.22/84,888.12 - Step 6: Final answer
x = 65,089.79
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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.