Finding the Fourth Proportional to 83,210.63, 124,816.01 and 27,806.63
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Solution
The fourth proportional to 83,210.63, 124,816.01 and 27,806.63 is: 41,709.96
Step by Step Solution
- Step 1: Write the proportion equation
83,210.63 : 124,816.01 = 27,806.63 : x - Step 2: Convert to fraction form
83,210.63/124,816.01 = 27,806.63/x - Step 3: Cross multiply
83,210.63x = 124,816.01 × 27,806.63 - Step 4: Simplify right side
83,210.63x = 3,470,711,845.03 - Step 5: Solve for x
x = 3,470,711,845.03/83,210.63 - Step 6: Final answer
x = 41,709.96
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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.