Finding the Fourth Proportional to 126,846.36, 175,044.51 and 69,485.40
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Solution
The fourth proportional to 126,846.36, 175,044.51 and 69,485.40 is: 95,887.95
Step by Step Solution
- Step 1: Write the proportion equation
126,846.36 : 175,044.51 = 69,485.40 : x - Step 2: Convert to fraction form
126,846.36/175,044.51 = 69,485.40/x - Step 3: Cross multiply
126,846.36x = 175,044.51 × 69,485.40 - Step 4: Simplify right side
126,846.36x = 12,163,037,795.15 - Step 5: Solve for x
x = 12,163,037,795.15/126,846.36 - Step 6: Final answer
x = 95,887.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.