Finding the Fourth Proportional to 73,749.54, 110,624.18 and 18,345.54
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Solution
The fourth proportional to 73,749.54, 110,624.18 and 18,345.54 is: 27,518.28
Step by Step Solution
- Step 1: Write the proportion equation
73,749.54 : 110,624.18 = 18,345.54 : x - Step 2: Convert to fraction form
73,749.54/110,624.18 = 18,345.54/x - Step 3: Cross multiply
73,749.54x = 110,624.18 × 18,345.54 - Step 4: Simplify right side
73,749.54x = 2,029,460,227.43 - Step 5: Solve for x
x = 2,029,460,227.43/73,749.54 - Step 6: Final answer
x = 27,518.28
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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.