Finding the Fourth Proportional to 97,911.99, 135,118.67 and 53,199.99
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Solution
The fourth proportional to 97,911.99, 135,118.67 and 53,199.99 is: 73,416.05
Step by Step Solution
- Step 1: Write the proportion equation
97,911.99 : 135,118.67 = 53,199.99 : x - Step 2: Convert to fraction form
97,911.99/135,118.67 = 53,199.99/x - Step 3: Cross multiply
97,911.99x = 135,118.67 × 53,199.99 - Step 4: Simplify right side
97,911.99x = 7,188,311,626.81 - Step 5: Solve for x
x = 7,188,311,626.81/97,911.99 - Step 6: Final answer
x = 73,416.05
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.