Finding the Fourth Proportional to 83,497.10, 115,378.56 and 60,796.54
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Solution
The fourth proportional to 83,497.10, 115,378.56 and 60,796.54 is: 84,010.32
Step by Step Solution
- Step 1: Write the proportion equation
83,497.10 : 115,378.56 = 60,796.54 : x - Step 2: Convert to fraction form
83,497.10/115,378.56 = 60,796.54/x - Step 3: Cross multiply
83,497.10x = 115,378.56 × 60,796.54 - Step 4: Simplify right side
83,497.10x = 7,014,617,382.41 - Step 5: Solve for x
x = 7,014,617,382.41/83,497.10 - Step 6: Final answer
x = 84,010.32
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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.