Finding the Fourth Proportional to 127,037.83, 175,315.42 and 71,842.74
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Solution
The fourth proportional to 127,037.83, 175,315.42 and 71,842.74 is: 99,144.80
Step by Step Solution
- Step 1: Write the proportion equation
127,037.83 : 175,315.42 = 71,842.74 : x - Step 2: Convert to fraction form
127,037.83/175,315.42 = 71,842.74/x - Step 3: Cross multiply
127,037.83x = 175,315.42 × 71,842.74 - Step 4: Simplify right side
127,037.83x = 12,595,140,137.05 - Step 5: Solve for x
x = 12,595,140,137.05/127,037.83 - Step 6: Final answer
x = 99,144.80
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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.