Finding the Fourth Proportional to 84,013.24, 115,940.94 and 46,288.84
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Solution
The fourth proportional to 84,013.24, 115,940.94 and 46,288.84 is: 63,880.07
Step by Step Solution
- Step 1: Write the proportion equation
84,013.24 : 115,940.94 = 46,288.84 : x - Step 2: Convert to fraction form
84,013.24/115,940.94 = 46,288.84/x - Step 3: Cross multiply
84,013.24x = 115,940.94 × 46,288.84 - Step 4: Simplify right side
84,013.24x = 5,366,771,621.11 - Step 5: Solve for x
x = 5,366,771,621.11/84,013.24 - Step 6: Final answer
x = 63,880.07
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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.