Finding the Fourth Proportional to 75,601.81, 104,328.97 and 47,323.09
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Solution
The fourth proportional to 75,601.81, 104,328.97 and 47,323.09 is: 65,304.91
Step by Step Solution
- Step 1: Write the proportion equation
75,601.81 : 104,328.97 = 47,323.09 : x - Step 2: Convert to fraction form
75,601.81/104,328.97 = 47,323.09/x - Step 3: Cross multiply
75,601.81x = 104,328.97 × 47,323.09 - Step 4: Simplify right side
75,601.81x = 4,937,169,236.92 - Step 5: Solve for x
x = 4,937,169,236.92/75,601.81 - Step 6: Final answer
x = 65,304.91
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1.5x scale
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.