Finding the Fourth Proportional to 73,813.26, 110,719.88 and 18,409.26
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Solution
The fourth proportional to 73,813.26, 110,719.88 and 18,409.26 is: 27,613.89
Step by Step Solution
- Step 1: Write the proportion equation
73,813.26 : 110,719.88 = 18,409.26 : x - Step 2: Convert to fraction form
73,813.26/110,719.88 = 18,409.26/x - Step 3: Cross multiply
73,813.26x = 110,719.88 × 18,409.26 - Step 4: Simplify right side
73,813.26x = 2,038,271,058.09 - Step 5: Solve for x
x = 2,038,271,058.09/73,813.26 - Step 6: Final answer
x = 27,613.89
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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.