Finding the Fourth Proportional to 99,953.70, 149,908.95 and 43,793.70
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Solution
The fourth proportional to 99,953.70, 149,908.95 and 43,793.70 is: 65,681.09
Step by Step Solution
- Step 1: Write the proportion equation
99,953.70 : 149,908.95 = 43,793.70 : x - Step 2: Convert to fraction form
99,953.70/149,908.95 = 43,793.70/x - Step 3: Cross multiply
99,953.70x = 149,908.95 × 43,793.70 - Step 4: Simplify right side
99,953.70x = 6,565,067,583.62 - Step 5: Solve for x
x = 6,565,067,583.62/99,953.70 - Step 6: Final answer
x = 65,681.09
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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.