Finding the Fourth Proportional to 84,013.70, 115,933.49 and 50,024.68
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Solution
The fourth proportional to 84,013.70, 115,933.49 and 50,024.68 is: 69,030.84
Step by Step Solution
- Step 1: Write the proportion equation
84,013.70 : 115,933.49 = 50,024.68 : x - Step 2: Convert to fraction form
84,013.70/115,933.49 = 50,024.68/x - Step 3: Cross multiply
84,013.70x = 115,933.49 × 50,024.68 - Step 4: Simplify right side
84,013.70x = 5,799,535,573.76 - Step 5: Solve for x
x = 5,799,535,573.76/84,013.70 - Step 6: Final answer
x = 69,030.84
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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.