Finding the Fourth Proportional to 84,240.24, 126,297.93 and 39,815.08
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Solution
The fourth proportional to 84,240.24, 126,297.93 and 39,815.08 is: 59,693.11
Step by Step Solution
- Step 1: Write the proportion equation
84,240.24 : 126,297.93 = 39,815.08 : x - Step 2: Convert to fraction form
84,240.24/126,297.93 = 39,815.08/x - Step 3: Cross multiply
84,240.24x = 126,297.93 × 39,815.08 - Step 4: Simplify right side
84,240.24x = 5,028,562,020.35 - Step 5: Solve for x
x = 5,028,562,020.35/84,240.24 - Step 6: Final answer
x = 59,693.11
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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.