Finding the Fourth Proportional to 95,313.97, 142,971.99 and 28,754.68
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Solution
The fourth proportional to 95,313.97, 142,971.99 and 28,754.68 is: 43,132.33
Step by Step Solution
- Step 1: Write the proportion equation
95,313.97 : 142,971.99 = 28,754.68 : x - Step 2: Convert to fraction form
95,313.97/142,971.99 = 28,754.68/x - Step 3: Cross multiply
95,313.97x = 142,971.99 × 28,754.68 - Step 4: Simplify right side
95,313.97x = 4,111,113,821.41 - Step 5: Solve for x
x = 4,111,113,821.41/95,313.97 - Step 6: Final answer
x = 43,132.33
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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.