Finding the Fourth Proportional to 81,440.84, 122,156.58 and 48,370.96
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Solution
The fourth proportional to 81,440.84, 122,156.58 and 48,370.96 is: 72,553.66
Step by Step Solution
- Step 1: Write the proportion equation
81,440.84 : 122,156.58 = 48,370.96 : x - Step 2: Convert to fraction form
81,440.84/122,156.58 = 48,370.96/x - Step 3: Cross multiply
81,440.84x = 122,156.58 × 48,370.96 - Step 4: Simplify right side
81,440.84x = 5,908,831,044.92 - Step 5: Solve for x
x = 5,908,831,044.92/81,440.84 - Step 6: Final answer
x = 72,553.66
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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.