Finding the Fourth Proportional to 84,044.72, 115,981.71 and 46,318.97
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Solution
The fourth proportional to 84,044.72, 115,981.71 and 46,318.97 is: 63,920.17
Step by Step Solution
- Step 1: Write the proportion equation
84,044.72 : 115,981.71 = 46,318.97 : x - Step 2: Convert to fraction form
84,044.72/115,981.71 = 46,318.97/x - Step 3: Cross multiply
84,044.72x = 115,981.71 × 46,318.97 - Step 4: Simplify right side
84,044.72x = 5,372,152,766.13 - Step 5: Solve for x
x = 5,372,152,766.13/84,044.72 - Step 6: Final answer
x = 63,920.17
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1.5x scale
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.