Finding the Fourth Proportional to 73,958.90, 110,938.35 and 27,205.70
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Solution
The fourth proportional to 73,958.90, 110,938.35 and 27,205.70 is: 40,808.55
Step by Step Solution
- Step 1: Write the proportion equation
73,958.90 : 110,938.35 = 27,205.70 : x - Step 2: Convert to fraction form
73,958.90/110,938.35 = 27,205.70/x - Step 3: Cross multiply
73,958.90x = 110,938.35 × 27,205.70 - Step 4: Simplify right side
73,958.90x = 3,018,155,468.60 - Step 5: Solve for x
x = 3,018,155,468.60/73,958.90 - Step 6: Final answer
x = 40,808.55
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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.