Finding the Fourth Proportional to 83,524.59, 125,294.18 and 21,195.09
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Solution
The fourth proportional to 83,524.59, 125,294.18 and 21,195.09 is: 31,794.48
Step by Step Solution
- Step 1: Write the proportion equation
83,524.59 : 125,294.18 = 21,195.09 : x - Step 2: Convert to fraction form
83,524.59/125,294.18 = 21,195.09/x - Step 3: Cross multiply
83,524.59x = 125,294.18 × 21,195.09 - Step 4: Simplify right side
83,524.59x = 2,655,621,315.60 - Step 5: Solve for x
x = 2,655,621,315.60/83,524.59 - Step 6: Final answer
x = 31,794.48
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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.