Finding the Fourth Proportional to 108,667.99, 163,001.08 and 33,787.99
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Solution
The fourth proportional to 108,667.99, 163,001.08 and 33,787.99 is: 50,681.70
Step by Step Solution
- Step 1: Write the proportion equation
108,667.99 : 163,001.08 = 33,787.99 : x - Step 2: Convert to fraction form
108,667.99/163,001.08 = 33,787.99/x - Step 3: Cross multiply
108,667.99x = 163,001.08 × 33,787.99 - Step 4: Simplify right side
108,667.99x = 5,507,478,861.03 - Step 5: Solve for x
x = 5,507,478,861.03/108,667.99 - Step 6: Final answer
x = 50,681.70
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1.5x scale
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.