Finding the Fourth Proportional to 84,699.62, 126,880.01 and 50,946.99
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Solution
The fourth proportional to 84,699.62, 126,880.01 and 50,946.99 is: 76,318.59
Step by Step Solution
- Step 1: Write the proportion equation
84,699.62 : 126,880.01 = 50,946.99 : x - Step 2: Convert to fraction form
84,699.62/126,880.01 = 50,946.99/x - Step 3: Cross multiply
84,699.62x = 126,880.01 × 50,946.99 - Step 4: Simplify right side
84,699.62x = 6,464,155,045.24 - Step 5: Solve for x
x = 6,464,155,045.24/84,699.62 - Step 6: Final answer
x = 76,318.59
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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.