Finding the Fourth Proportional to 96,216.84, 132,783.35 and 53,775.38
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Solution
The fourth proportional to 96,216.84, 132,783.35 and 53,775.38 is: 74,212.31
Step by Step Solution
- Step 1: Write the proportion equation
96,216.84 : 132,783.35 = 53,775.38 : x - Step 2: Convert to fraction form
96,216.84/132,783.35 = 53,775.38/x - Step 3: Cross multiply
96,216.84x = 132,783.35 × 53,775.38 - Step 4: Simplify right side
96,216.84x = 7,140,474,171.13 - Step 5: Solve for x
x = 7,140,474,171.13/96,216.84 - Step 6: Final answer
x = 74,212.31
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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.