Finding the Fourth Proportional to 99,575.76, 149,352.12 and 25,709.52
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Solution
The fourth proportional to 99,575.76, 149,352.12 and 25,709.52 is: 38,561.31
Step by Step Solution
- Step 1: Write the proportion equation
99,575.76 : 149,352.12 = 25,709.52 : x - Step 2: Convert to fraction form
99,575.76/149,352.12 = 25,709.52/x - Step 3: Cross multiply
99,575.76x = 149,352.12 × 25,709.52 - Step 4: Simplify right side
99,575.76x = 3,839,771,316.18 - Step 5: Solve for x
x = 3,839,771,316.18/99,575.76 - Step 6: Final answer
x = 38,561.31
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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.