Finding the Fourth Proportional to 96,565.68, 133,262.28 and 54,121.68
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Solution
The fourth proportional to 96,565.68, 133,262.28 and 54,121.68 is: 74,688.84
Step by Step Solution
- Step 1: Write the proportion equation
96,565.68 : 133,262.28 = 54,121.68 : x - Step 2: Convert to fraction form
96,565.68/133,262.28 = 54,121.68/x - Step 3: Cross multiply
96,565.68x = 133,262.28 × 54,121.68 - Step 4: Simplify right side
96,565.68x = 7,212,378,474.23 - Step 5: Solve for x
x = 7,212,378,474.23/96,565.68 - Step 6: Final answer
x = 74,688.84
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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.