Finding the Fourth Proportional to 81,095.84, 121,655.36 and 24,940.64
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Solution
The fourth proportional to 81,095.84, 121,655.36 and 24,940.64 is: 37,414.53
Step by Step Solution
- Step 1: Write the proportion equation
81,095.84 : 121,655.36 = 24,940.64 : x - Step 2: Convert to fraction form
81,095.84/121,655.36 = 24,940.64/x - Step 3: Cross multiply
81,095.84x = 121,655.36 × 24,940.64 - Step 4: Simplify right side
81,095.84x = 3,034,162,537.83 - Step 5: Solve for x
x = 3,034,162,537.83/81,095.84 - Step 6: Final answer
x = 37,414.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.