Finding the Fourth Proportional to 99,776.43, 149,659.18 and 60,322.95
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Solution
The fourth proportional to 99,776.43, 149,659.18 and 60,322.95 is: 90,481.12
Step by Step Solution
- Step 1: Write the proportion equation
99,776.43 : 149,659.18 = 60,322.95 : x - Step 2: Convert to fraction form
99,776.43/149,659.18 = 60,322.95/x - Step 3: Cross multiply
99,776.43x = 149,659.18 × 60,322.95 - Step 4: Simplify right side
99,776.43x = 9,027,883,232.18 - Step 5: Solve for x
x = 9,027,883,232.18/99,776.43 - Step 6: Final answer
x = 90,481.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.