Finding the Fourth Proportional to 105,073.46, 157,685.90 and 41,856.99
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Solution
The fourth proportional to 105,073.46, 157,685.90 and 41,856.99 is: 62,815.64
Step by Step Solution
- Step 1: Write the proportion equation
105,073.46 : 157,685.90 = 41,856.99 : x - Step 2: Convert to fraction form
105,073.46/157,685.90 = 41,856.99/x - Step 3: Cross multiply
105,073.46x = 157,685.90 × 41,856.99 - Step 4: Simplify right side
105,073.46x = 6,600,257,139.44 - Step 5: Solve for x
x = 6,600,257,139.44/105,073.46 - Step 6: Final answer
x = 62,815.64
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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.