Finding the Fourth Proportional to 104,202.09, 143,799.01 and 56,455.42
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Solution
The fourth proportional to 104,202.09, 143,799.01 and 56,455.42 is: 77,908.55
Step by Step Solution
- Step 1: Write the proportion equation
104,202.09 : 143,799.01 = 56,455.42 : x - Step 2: Convert to fraction form
104,202.09/143,799.01 = 56,455.42/x - Step 3: Cross multiply
104,202.09x = 143,799.01 × 56,455.42 - Step 4: Simplify right side
104,202.09x = 8,118,233,505.13 - Step 5: Solve for x
x = 8,118,233,505.13/104,202.09 - Step 6: Final answer
x = 77,908.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.