Finding the Fourth Proportional to 84,053.66, 125,465.24 and 74,089.44
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Solution
The fourth proportional to 84,053.66, 125,465.24 and 74,089.44 is: 110,591.85
Step by Step Solution
- Step 1: Write the proportion equation
84,053.66 : 125,465.24 = 74,089.44 : x - Step 2: Convert to fraction form
84,053.66/125,465.24 = 74,089.44/x - Step 3: Cross multiply
84,053.66x = 125,465.24 × 74,089.44 - Step 4: Simplify right side
84,053.66x = 9,295,649,556.29 - Step 5: Solve for x
x = 9,295,649,556.29/84,053.66 - Step 6: Final answer
x = 110,591.85
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.