Finding the Fourth Proportional to 96,745.24, 133,504.86 and 53,726.68
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Solution
The fourth proportional to 96,745.24, 133,504.86 and 53,726.68 is: 74,140.84
Step by Step Solution
- Step 1: Write the proportion equation
96,745.24 : 133,504.86 = 53,726.68 : x - Step 2: Convert to fraction form
96,745.24/133,504.86 = 53,726.68/x - Step 3: Cross multiply
96,745.24x = 133,504.86 × 53,726.68 - Step 4: Simplify right side
96,745.24x = 7,172,772,891.66 - Step 5: Solve for x
x = 7,172,772,891.66/96,745.24 - Step 6: Final answer
x = 74,140.84
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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.