Finding the Fourth Proportional to 83,210.63, 124,815.94 and 27,806.63
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Solution
The fourth proportional to 83,210.63, 124,815.94 and 27,806.63 is: 41,709.94
Step by Step Solution
- Step 1: Write the proportion equation
83,210.63 : 124,815.94 = 27,806.63 : x - Step 2: Convert to fraction form
83,210.63/124,815.94 = 27,806.63/x - Step 3: Cross multiply
83,210.63x = 124,815.94 × 27,806.63 - Step 4: Simplify right side
83,210.63x = 3,470,709,968.09 - Step 5: Solve for x
x = 3,470,709,968.09/83,210.63 - Step 6: Final answer
x = 41,709.94
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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.