Finding the Fourth Proportional to 108,011.24, 149,052.02 and 58,950.98
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Solution
The fourth proportional to 108,011.24, 149,052.02 and 58,950.98 is: 81,350.45
Step by Step Solution
- Step 1: Write the proportion equation
108,011.24 : 149,052.02 = 58,950.98 : x - Step 2: Convert to fraction form
108,011.24/149,052.02 = 58,950.98/x - Step 3: Cross multiply
108,011.24x = 149,052.02 × 58,950.98 - Step 4: Simplify right side
108,011.24x = 8,786,762,649.98 - Step 5: Solve for x
x = 8,786,762,649.98/108,011.24 - Step 6: Final answer
x = 81,350.45
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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.