Finding the Fourth Proportional to 73,887.13, 110,830.69 and 18,483.13
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Solution
The fourth proportional to 73,887.13, 110,830.69 and 18,483.13 is: 27,724.69
Step by Step Solution
- Step 1: Write the proportion equation
73,887.13 : 110,830.69 = 18,483.13 : x - Step 2: Convert to fraction form
73,887.13/110,830.69 = 18,483.13/x - Step 3: Cross multiply
73,887.13x = 110,830.69 × 18,483.13 - Step 4: Simplify right side
73,887.13x = 2,048,498,051.26 - Step 5: Solve for x
x = 2,048,498,051.26/73,887.13 - Step 6: Final answer
x = 27,724.69
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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.