Finding the Fourth Proportional to 106,285.29, 159,053.34 and 66,323.09
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Solution
The fourth proportional to 106,285.29, 159,053.34 and 66,323.09 is: 99,250.88
Step by Step Solution
- Step 1: Write the proportion equation
106,285.29 : 159,053.34 = 66,323.09 : x - Step 2: Convert to fraction form
106,285.29/159,053.34 = 66,323.09/x - Step 3: Cross multiply
106,285.29x = 159,053.34 × 66,323.09 - Step 4: Simplify right side
106,285.29x = 10,548,908,983.62 - Step 5: Solve for x
x = 10,548,908,983.62/106,285.29 - Step 6: Final answer
x = 99,250.88
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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.