Finding the Fourth Proportional to 107,840.70, 161,778.87 and 48,675.06
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Solution
The fourth proportional to 107,840.70, 161,778.87 and 48,675.06 is: 73,020.63
Step by Step Solution
- Step 1: Write the proportion equation
107,840.70 : 161,778.87 = 48,675.06 : x - Step 2: Convert to fraction form
107,840.70/161,778.87 = 48,675.06/x - Step 3: Cross multiply
107,840.70x = 161,778.87 × 48,675.06 - Step 4: Simplify right side
107,840.70x = 7,874,596,203.98 - Step 5: Solve for x
x = 7,874,596,203.98/107,840.70 - Step 6: Final answer
x = 73,020.63
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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.