Finding the Fourth Proportional to 83,012.23, 124,430.87 and 41,371.75
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Solution
The fourth proportional to 83,012.23, 124,430.87 and 41,371.75 is: 62,014.03
Step by Step Solution
- Step 1: Write the proportion equation
83,012.23 : 124,430.87 = 41,371.75 : x - Step 2: Convert to fraction form
83,012.23/124,430.87 = 41,371.75/x - Step 3: Cross multiply
83,012.23x = 124,430.87 × 41,371.75 - Step 4: Simplify right side
83,012.23x = 5,147,922,639.06 - Step 5: Solve for x
x = 5,147,922,639.06/83,012.23 - Step 6: Final answer
x = 62,014.03
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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.