Finding the Fourth Proportional to 90,762.06, 125,233.26 and 53,029.02
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Solution
The fourth proportional to 90,762.06, 125,233.26 and 53,029.02 is: 73,169.31
Step by Step Solution
- Step 1: Write the proportion equation
90,762.06 : 125,233.26 = 53,029.02 : x - Step 2: Convert to fraction form
90,762.06/125,233.26 = 53,029.02/x - Step 3: Cross multiply
90,762.06x = 125,233.26 × 53,029.02 - Step 4: Simplify right side
90,762.06x = 6,640,997,049.21 - Step 5: Solve for x
x = 6,640,997,049.21/90,762.06 - Step 6: Final answer
x = 73,169.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.