Finding the Fourth Proportional to 107,420.33, 161,053.84 and 50,462.44
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Solution
The fourth proportional to 107,420.33, 161,053.84 and 50,462.44 is: 75,657.65
Step by Step Solution
- Step 1: Write the proportion equation
107,420.33 : 161,053.84 = 50,462.44 : x - Step 2: Convert to fraction form
107,420.33/161,053.84 = 50,462.44/x - Step 3: Cross multiply
107,420.33x = 161,053.84 × 50,462.44 - Step 4: Simplify right side
107,420.33x = 8,127,169,737.77 - Step 5: Solve for x
x = 8,127,169,737.77/107,420.33 - Step 6: Final answer
x = 75,657.65
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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.