Finding the Fourth Proportional to 106,400.70, 159,648.06 and 55,787.63
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Solution
The fourth proportional to 106,400.70, 159,648.06 and 55,787.63 is: 83,706.09
Step by Step Solution
- Step 1: Write the proportion equation
106,400.70 : 159,648.06 = 55,787.63 : x - Step 2: Convert to fraction form
106,400.70/159,648.06 = 55,787.63/x - Step 3: Cross multiply
106,400.70x = 159,648.06 × 55,787.63 - Step 4: Simplify right side
106,400.70x = 8,906,387,098.23 - Step 5: Solve for x
x = 8,906,387,098.23/106,400.70 - Step 6: Final answer
x = 83,706.09
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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.