Finding the Fourth Proportional to 110,879.75, 153,014.06 and 60,578.75
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Solution
The fourth proportional to 110,879.75, 153,014.06 and 60,578.75 is: 83,598.68
Step by Step Solution
- Step 1: Write the proportion equation
110,879.75 : 153,014.06 = 60,578.75 : x - Step 2: Convert to fraction form
110,879.75/153,014.06 = 60,578.75/x - Step 3: Cross multiply
110,879.75x = 153,014.06 × 60,578.75 - Step 4: Simplify right side
110,879.75x = 9,269,400,487.23 - Step 5: Solve for x
x = 9,269,400,487.23/110,879.75 - Step 6: Final answer
x = 83,598.68
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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.