Finding the Fourth Proportional to 104,913.53, 157,416.81 and 54,981.75
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Solution
The fourth proportional to 104,913.53, 157,416.81 and 54,981.75 is: 82,497.01
Step by Step Solution
- Step 1: Write the proportion equation
104,913.53 : 157,416.81 = 54,981.75 : x - Step 2: Convert to fraction form
104,913.53/157,416.81 = 54,981.75/x - Step 3: Cross multiply
104,913.53x = 157,416.81 × 54,981.75 - Step 4: Simplify right side
104,913.53x = 8,655,051,693.22 - Step 5: Solve for x
x = 8,655,051,693.22/104,913.53 - Step 6: Final answer
x = 82,497.01
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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.