Finding the Fourth Proportional to 73,402.09, 110,144.70 and 31,277.74
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Solution
The fourth proportional to 73,402.09, 110,144.70 and 31,277.74 is: 46,934.32
Step by Step Solution
- Step 1: Write the proportion equation
73,402.09 : 110,144.70 = 31,277.74 : x - Step 2: Convert to fraction form
73,402.09/110,144.70 = 31,277.74/x - Step 3: Cross multiply
73,402.09x = 110,144.70 × 31,277.74 - Step 4: Simplify right side
73,402.09x = 3,445,077,288.98 - Step 5: Solve for x
x = 3,445,077,288.98/73,402.09 - Step 6: Final answer
x = 46,934.32
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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.