Finding the Fourth Proportional to 71,889.93, 107,829.67 and 24,501.09
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Solution
The fourth proportional to 71,889.93, 107,829.67 and 24,501.09 is: 36,749.85
Step by Step Solution
- Step 1: Write the proportion equation
71,889.93 : 107,829.67 = 24,501.09 : x - Step 2: Convert to fraction form
71,889.93/107,829.67 = 24,501.09/x - Step 3: Cross multiply
71,889.93x = 107,829.67 × 24,501.09 - Step 4: Simplify right side
71,889.93x = 2,641,944,449.34 - Step 5: Solve for x
x = 2,641,944,449.34/71,889.93 - Step 6: Final answer
x = 36,749.85
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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.