Finding the Fourth Proportional to 83,348.24, 115,021.29 and 47,540.07
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Solution
The fourth proportional to 83,348.24, 115,021.29 and 47,540.07 is: 65,605.71
Step by Step Solution
- Step 1: Write the proportion equation
83,348.24 : 115,021.29 = 47,540.07 : x - Step 2: Convert to fraction form
83,348.24/115,021.29 = 47,540.07/x - Step 3: Cross multiply
83,348.24x = 115,021.29 × 47,540.07 - Step 4: Simplify right side
83,348.24x = 5,468,120,178.09 - Step 5: Solve for x
x = 5,468,120,178.09/83,348.24 - Step 6: Final answer
x = 65,605.71
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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.