Finding the Fourth Proportional to 104,240.97, 143,848.68 and 56,493.29
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Solution
The fourth proportional to 104,240.97, 143,848.68 and 56,493.29 is: 77,958.65
Step by Step Solution
- Step 1: Write the proportion equation
104,240.97 : 143,848.68 = 56,493.29 : x - Step 2: Convert to fraction form
104,240.97/143,848.68 = 56,493.29/x - Step 3: Cross multiply
104,240.97x = 143,848.68 × 56,493.29 - Step 4: Simplify right side
104,240.97x = 8,126,485,343.13 - Step 5: Solve for x
x = 8,126,485,343.13/104,240.97 - Step 6: Final answer
x = 77,958.65
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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.