Finding the Fourth Proportional to 73,811.75, 110,487.99 and 71,449.79
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Solution
The fourth proportional to 73,811.75, 110,487.99 and 71,449.79 is: 106,952.40
Step by Step Solution
- Step 1: Write the proportion equation
73,811.75 : 110,487.99 = 71,449.79 : x - Step 2: Convert to fraction form
73,811.75/110,487.99 = 71,449.79/x - Step 3: Cross multiply
73,811.75x = 110,487.99 × 71,449.79 - Step 4: Simplify right side
73,811.75x = 7,894,343,683.02 - Step 5: Solve for x
x = 7,894,343,683.02/73,811.75 - Step 6: Final answer
x = 106,952.40
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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.