Finding the Fourth Proportional to 75,152.24, 103,660.22 and 48,328.68
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Solution
The fourth proportional to 75,152.24, 103,660.22 and 48,328.68 is: 66,661.51
Step by Step Solution
- Step 1: Write the proportion equation
75,152.24 : 103,660.22 = 48,328.68 : x - Step 2: Convert to fraction form
75,152.24/103,660.22 = 48,328.68/x - Step 3: Cross multiply
75,152.24x = 103,660.22 × 48,328.68 - Step 4: Simplify right side
75,152.24x = 5,009,761,601.11 - Step 5: Solve for x
x = 5,009,761,601.11/75,152.24 - Step 6: Final answer
x = 66,661.51
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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.