Finding the Fourth Proportional to 106,533.08, 159,758.10 and 39,936.88
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Solution
The fourth proportional to 106,533.08, 159,758.10 and 39,936.88 is: 59,889.75
Step by Step Solution
- Step 1: Write the proportion equation
106,533.08 : 159,758.10 = 39,936.88 : x - Step 2: Convert to fraction form
106,533.08/159,758.10 = 39,936.88/x - Step 3: Cross multiply
106,533.08x = 159,758.10 × 39,936.88 - Step 4: Simplify right side
106,533.08x = 6,380,239,070.25 - Step 5: Solve for x
x = 6,380,239,070.25/106,533.08 - Step 6: Final answer
x = 59,889.75
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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.