Finding the Fourth Proportional to 106,669.76, 159,998.12 and 44,340.80
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Solution
The fourth proportional to 106,669.76, 159,998.12 and 44,340.80 is: 66,508.49
Step by Step Solution
- Step 1: Write the proportion equation
106,669.76 : 159,998.12 = 44,340.80 : x - Step 2: Convert to fraction form
106,669.76/159,998.12 = 44,340.80/x - Step 3: Cross multiply
106,669.76x = 159,998.12 × 44,340.80 - Step 4: Simplify right side
106,669.76x = 7,094,444,639.30 - Step 5: Solve for x
x = 7,094,444,639.30/106,669.76 - Step 6: Final answer
x = 66,508.49
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1.5x scale
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.