Finding the Fourth Proportional to 70,982.55, 106,526.61 and 33,554.09
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Solution
The fourth proportional to 70,982.55, 106,526.61 and 33,554.09 is: 50,356.09
Step by Step Solution
- Step 1: Write the proportion equation
70,982.55 : 106,526.61 = 33,554.09 : x - Step 2: Convert to fraction form
70,982.55/106,526.61 = 33,554.09/x - Step 3: Cross multiply
70,982.55x = 106,526.61 × 33,554.09 - Step 4: Simplify right side
70,982.55x = 3,574,403,725.65 - Step 5: Solve for x
x = 3,574,403,725.65/70,982.55 - Step 6: Final answer
x = 50,356.09
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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.