Finding the Fourth Proportional to 81,093.84, 121,652.36 and 24,938.64
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Solution
The fourth proportional to 81,093.84, 121,652.36 and 24,938.64 is: 37,411.53
Step by Step Solution
- Step 1: Write the proportion equation
81,093.84 : 121,652.36 = 24,938.64 : x - Step 2: Convert to fraction form
81,093.84/121,652.36 = 24,938.64/x - Step 3: Cross multiply
81,093.84x = 121,652.36 × 24,938.64 - Step 4: Simplify right side
81,093.84x = 3,033,844,411.19 - Step 5: Solve for x
x = 3,033,844,411.19/81,093.84 - Step 6: Final answer
x = 37,411.53
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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.