Finding the Fourth Proportional to 73,523.16, 110,237.36 and 31,430.70
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Solution
The fourth proportional to 73,523.16, 110,237.36 and 31,430.70 is: 47,125.79
Step by Step Solution
- Step 1: Write the proportion equation
73,523.16 : 110,237.36 = 31,430.70 : x - Step 2: Convert to fraction form
73,523.16/110,237.36 = 31,430.70/x - Step 3: Cross multiply
73,523.16x = 110,237.36 × 31,430.70 - Step 4: Simplify right side
73,523.16x = 3,464,837,233.80 - Step 5: Solve for x
x = 3,464,837,233.80/73,523.16 - Step 6: Final answer
x = 47,125.79
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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.