Finding the Fourth Proportional to 113,748.93, 170,728.11 and 57,628.08
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Solution
The fourth proportional to 113,748.93, 170,728.11 and 57,628.08 is: 86,495.17
Step by Step Solution
- Step 1: Write the proportion equation
113,748.93 : 170,728.11 = 57,628.08 : x - Step 2: Convert to fraction form
113,748.93/170,728.11 = 57,628.08/x - Step 3: Cross multiply
113,748.93x = 170,728.11 × 57,628.08 - Step 4: Simplify right side
113,748.93x = 9,838,733,181.33 - Step 5: Solve for x
x = 9,838,733,181.33/113,748.93 - Step 6: Final answer
x = 86,495.17
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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.