Finding the Fourth Proportional to 73,106.74, 100,885.26 and 41,278.60
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Solution
The fourth proportional to 73,106.74, 100,885.26 and 41,278.60 is: 56,963.32
Step by Step Solution
- Step 1: Write the proportion equation
73,106.74 : 100,885.26 = 41,278.60 : x - Step 2: Convert to fraction form
73,106.74/100,885.26 = 41,278.60/x - Step 3: Cross multiply
73,106.74x = 100,885.26 × 41,278.60 - Step 4: Simplify right side
73,106.74x = 4,164,402,293.44 - Step 5: Solve for x
x = 4,164,402,293.44/73,106.74 - Step 6: Final answer
x = 56,963.32
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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.