Finding the Fourth Proportional to 115,996.56, 160,072.58 and 67,595.40
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Solution
The fourth proportional to 115,996.56, 160,072.58 and 67,595.40 is: 93,280.09
Step by Step Solution
- Step 1: Write the proportion equation
115,996.56 : 160,072.58 = 67,595.40 : x - Step 2: Convert to fraction form
115,996.56/160,072.58 = 67,595.40/x - Step 3: Cross multiply
115,996.56x = 160,072.58 × 67,595.40 - Step 4: Simplify right side
115,996.56x = 10,820,170,074.13 - Step 5: Solve for x
x = 10,820,170,074.13/115,996.56 - Step 6: Final answer
x = 93,280.09
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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.