Finding the Fourth Proportional to 73,824.21, 101,877.41 and 40,290.21
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Solution
The fourth proportional to 73,824.21, 101,877.41 and 40,290.21 is: 55,600.48
Step by Step Solution
- Step 1: Write the proportion equation
73,824.21 : 101,877.41 = 40,290.21 : x - Step 2: Convert to fraction form
73,824.21/101,877.41 = 40,290.21/x - Step 3: Cross multiply
73,824.21x = 101,877.41 × 40,290.21 - Step 4: Simplify right side
73,824.21x = 4,104,661,532.32 - Step 5: Solve for x
x = 4,104,661,532.32/73,824.21 - Step 6: Final answer
x = 55,600.48
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1.5x scale
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.