Finding the Fourth Proportional to 99,633.24, 149,619.18 and 66,565.80
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Solution
The fourth proportional to 99,633.24, 149,619.18 and 66,565.80 is: 99,961.82
Step by Step Solution
- Step 1: Write the proportion equation
99,633.24 : 149,619.18 = 66,565.80 : x - Step 2: Convert to fraction form
99,633.24/149,619.18 = 66,565.80/x - Step 3: Cross multiply
99,633.24x = 149,619.18 × 66,565.80 - Step 4: Simplify right side
99,633.24x = 9,959,520,412.04 - Step 5: Solve for x
x = 9,959,520,412.04/99,633.24 - Step 6: Final answer
x = 99,961.82
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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.