Finding the Fourth Proportional to 84,029.36, 125,975.56 and 39,079.08
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Solution
The fourth proportional to 84,029.36, 125,975.56 and 39,079.08 is: 58,586.77
Step by Step Solution
- Step 1: Write the proportion equation
84,029.36 : 125,975.56 = 39,079.08 : x - Step 2: Convert to fraction form
84,029.36/125,975.56 = 39,079.08/x - Step 3: Cross multiply
84,029.36x = 125,975.56 × 39,079.08 - Step 4: Simplify right side
84,029.36x = 4,923,008,987.28 - Step 5: Solve for x
x = 4,923,008,987.28/84,029.36 - Step 6: Final answer
x = 58,586.77
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1.5x scale
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.