Finding the Fourth Proportional to 71,703.36, 107,555.04 and 24,943.68
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Solution
The fourth proportional to 71,703.36, 107,555.04 and 24,943.68 is: 37,415.52
Step by Step Solution
- Step 1: Write the proportion equation
71,703.36 : 107,555.04 = 24,943.68 : x - Step 2: Convert to fraction form
71,703.36/107,555.04 = 24,943.68/x - Step 3: Cross multiply
71,703.36x = 107,555.04 × 24,943.68 - Step 4: Simplify right side
71,703.36x = 2,682,818,500.15 - Step 5: Solve for x
x = 2,682,818,500.15/71,703.36 - Step 6: Final answer
x = 37,415.52
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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.