Finding the Fourth Proportional to 84,849.04, 117,088.40 and 47,125.68
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Solution
The fourth proportional to 84,849.04, 117,088.40 and 47,125.68 is: 65,031.62
Step by Step Solution
- Step 1: Write the proportion equation
84,849.04 : 117,088.40 = 47,125.68 : x - Step 2: Convert to fraction form
84,849.04/117,088.40 = 47,125.68/x - Step 3: Cross multiply
84,849.04x = 117,088.40 × 47,125.68 - Step 4: Simplify right side
84,849.04x = 5,517,870,470.11 - Step 5: Solve for x
x = 5,517,870,470.11/84,849.04 - Step 6: Final answer
x = 65,031.62
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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.