Finding the Fourth Proportional to 83,693.84, 115,497.49 and 45,968.09
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Solution
The fourth proportional to 83,693.84, 115,497.49 and 45,968.09 is: 63,435.96
Step by Step Solution
- Step 1: Write the proportion equation
83,693.84 : 115,497.49 = 45,968.09 : x - Step 2: Convert to fraction form
83,693.84/115,497.49 = 45,968.09/x - Step 3: Cross multiply
83,693.84x = 115,497.49 × 45,968.09 - Step 4: Simplify right side
83,693.84x = 5,309,199,015.09 - Step 5: Solve for x
x = 5,309,199,015.09/83,693.84 - Step 6: Final answer
x = 63,435.96
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1.5x scale
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.