Finding the Fourth Proportional to 99,795.56, 149,757.58 and 39,813.79
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Solution
The fourth proportional to 99,795.56, 149,757.58 and 39,813.79 is: 59,746.31
Step by Step Solution
- Step 1: Write the proportion equation
99,795.56 : 149,757.58 = 39,813.79 : x - Step 2: Convert to fraction form
99,795.56/149,757.58 = 39,813.79/x - Step 3: Cross multiply
99,795.56x = 149,757.58 × 39,813.79 - Step 4: Simplify right side
99,795.56x = 5,962,416,841.03 - Step 5: Solve for x
x = 5,962,416,841.03/99,795.56 - Step 6: Final answer
x = 59,746.31
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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.